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AMA PCM Exam - Topic 8 Question 114 Discussion

The retention rate of a particular brand of engine oil in 2013 is 87%. If 6,000,000 customers purchased the brand in 2012, how many of these customers purchased the same brand in 2013?
C) 5,220,000
A) 5,100,000
B) 5,177,000
D) 5,250,679
E) 5,291,100

AMA PCM Exam - Topic 8 Question 114 Discussion

Actual exam question for AMA's PCM exam
Question #: 114
Topic #: 8
[All PCM Questions]

The retention rate of a particular brand of engine oil in 2013 is 87%. If 6,000,000 customers purchased the brand in 2012, how many of these customers purchased the same brand in 2013?

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Suggested Answer: C

by Leila at Jul 12, 2025, 11:45 PM

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Clement
7 months ago
I thought it would be lower, but 87% is impressive!
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Gearldine
7 months ago
Totally agree, that's the right calculation!
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Kayleigh
7 months ago
87% retention means 5,220,000 customers bought it again.
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Jerrod
7 months ago
Just did the math, and yeah, 5,220,000 checks out!
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Aide
7 months ago
Wait, how can they have such a high retention rate? Sounds fishy.
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Marci
8 months ago
I think the answer should be around 5.2 million, but I can't remember the exact calculation steps.
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Bernadine
8 months ago
I feel like I might be overthinking this. Is it just straightforward multiplication, or do we need to consider anything else?
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Lindsey
8 months ago
I remember a similar question where we had to find a percentage of a total. I think multiplying by 0.87 should give us the answer.
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German
8 months ago
I think we need to calculate 87% of 6,000,000, but I'm not entirely sure how to do that quickly.
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Jackie
9 months ago
I'm not totally sure about this, but I think the retention rate is the percentage of 2012 customers who came back in 2013. So I'll multiply 6,000,000 by 0.87 to find the number of returning customers.
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Annmarie
9 months ago
No need to overthink this. The retention rate is the key piece of information here. Just plug that into the formula and you'll get the answer.
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Lauran
9 months ago
Wait, I'm a bit confused. Is the retention rate the same as the percentage of customers who purchased the same brand in 2013? Or do I need to do some other calculation?
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Sage
9 months ago
This seems straightforward enough. I'll just multiply 6,000,000 by 0.87 to get the number of customers in 2013.
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Antonette
9 months ago
Okay, let's think this through step-by-step. The question gives us the retention rate of 87% and the number of customers in 2012. To find the number of customers in 2013, we need to take 87% of the 2012 customers.
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Vivan
10 months ago
Alright, let's put on our thinking caps and solve this like engineers. *cracks knuckles* Time to crunch some numbers.
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Serina
10 months ago
Haha, this is like a game of 'Guess the Number' but with engine oil. I'm feeling lucky, let's go with E - 5,291,100!
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Shalon
9 months ago
B is my pick - 5,177,000!
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Joaquin
9 months ago
I think I'll choose C - 5,220,000!
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Tamra
9 months ago
D could be a sneaky choice - 5,250,679!
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Maurine
10 months ago
E seems too high, I'll go with A - 5,100,000.
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Justine
11 months ago
I believe the answer is A) 5,100,000, as it makes the most sense based on the retention rate given.
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Leonard
11 months ago
Ooh, this is a tricky one. I'm gonna go with D - 5,250,679. Just a gut feeling, you know?
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Rochell
10 months ago
I think it might be A - 5,100,000. Seems like a reasonable estimate.
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Enola
11 months ago
I'm not sure, but I think the answer might be C) 5,220,000.
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Luther
11 months ago
I agree with Junita, because 87% of 6,000,000 is 5,100,000.
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Tamra
11 months ago
Wait, wait, wait. Didn't they say the retention rate was 87%? Shouldn't the answer be a bit higher than 5,100,000? *scratches head*
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Gail
10 months ago
B) 5,177,000
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Leota
10 months ago
A) 5,100,000
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Junita
11 months ago
I think the answer is A) 5,100,000.
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Rodolfo
11 months ago
Hmm, this seems straightforward. I'm going with option A - 5,100,000. That's gotta be the right answer, right?
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Billye
10 months ago
User1: I think you're right, option A - 5,100,000, makes sense.
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Cyndy
12 months ago
Alright, let's think this through. If the retention rate is 87%, that means 87% of the 6,000,000 customers purchased the same brand in 2013. Time to break out the calculator!
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Leah
11 months ago
B) 5,177,000
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Freeman
11 months ago
A) 5,100,000
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