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Insurance Institute RIBO-Level-1 Exam - Topic 4 Question 7 Discussion

Posted by Gilbert on May 17, 2026 at 08:30 AM

A building worth $100,000 is insured for $60,000 under a policy with a 90% co-insurance clause. Fire damages the building to the extent of $45,000. How much does the insurer pay?

Suggested Answer: D

The correct answer is D. $30,000.

A co-insurance clause requires the insured to carry insurance equal to a stated percentage of the property's value. If the insured carries less than that amount, a penalty applies at claim time.

Here, the building value is $100,000 and the co-insurance requirement is 90%. So the amount of insurance that should have been carried is:

$100,000 90% = $90,000

But the insured only carried $60,000. That means the insured did not meet the co-insurance requirement. The loss payment is calculated using the standard formula:

Insurance carried Insurance required Loss

$60,000 $90,000 $45,000 = $30,000

So the insurer pays $30,000, assuming no deductible is mentioned.

Why the others are wrong: A. is the policy limit, not the amount payable. B. would only be paid if the insured had met the co-insurance requirement. C. does not match the correct calculation.

From a RIBO perspective, this is a basic commercial property calculation and a very important broker concept. Brokers must explain that co-insurance exists to encourage proper insurance-to-value. If a client underinsures, they effectively become a co-insurer for part of the loss themselves.


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22 comments · newest first
JE
Jeff 1 day ago
Yeah, I agree. The building is underinsured.
AR
Arlette 7 days ago
This question is tricky. I think it’s about the co-insurance clause.
JA
Jacquelyne 12 days ago
I feel like it’s B) $45,000, but I might be wrong.
MA
Marjory 17 days ago
Yes, it does! They only cover a percentage.
MY
Myra 22 days ago
Co-insurance affects the payout, right?
JU
Junita 27 days ago
Why C? I’m leaning towards D) $30,000.
FA
Fannie 1 month ago
I think the answer is C) $36,000.
JE
Jessenia 1 month ago
This question is tricky!
MA
Marion 1 month ago
I don't know, $30,000 seems more reasonable to me.
HE
Hershel 2 months ago
Totally agree with Brittni, it's all about that co-insurance!
EV
Evette 2 months ago
Wait, is that really how it works? Sounds off.
BR
Brittni 2 months ago
I think the insurer pays $36,000 based on the co-insurance clause.
OL
Olen 2 months ago
The building is worth $100k but only insured for $60k.
TA
Tamera 2 months ago
Really? I thought they'd cover the full damage amount!
KI
Kip 2 months ago
Pretty sure it's $36,000 after the co-insurance penalty.
DA
Dannette 3 months ago
Wait, how does the co-insurance clause affect this?
JE
Jess 3 months ago
I think the insurer pays based on the damage amount, right?
BL
Blythe 3 months ago
The building is worth $100,000 and insured for $60,000.
MI
Miesha 3 months ago
I'm not entirely sure, but I think if the building is worth $100,000 and insured for $60,000, the payout could be less than the damage amount due to the co-insurance clause.
AL
Alesia 3 months ago
I feel like I practiced a similar question where we had to determine the payout based on the insured value and the damage. I think it might be around $36,000.
TI
Titus 3 months ago
I remember something about needing to apply the co-insurance percentage to the loss amount. Was it 90% of the damage or the insured amount?
BU
Buddy 5 months ago
I think the co-insurance clause means we have to calculate how much the insurer will actually pay based on the coverage.
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