Interview Question

IT Development Program Interview

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Capital One

1 million card applications. $1 per application cost to do employment verification. 96% pass verification and get a card. 4% fail and do not get cards. Given average profits on cardholders in good standing, and average losses on accounts that default, find the % of denied cardholders that would have to default in order to justify the $1 per application verification cost .

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Interview Answers

8 Answers

4

This appears to be a trick question that makes you think they want to know the break-even point. However: how can someone default on a credit card that they were "denied" and never issued?

Brian on

2

Anymore info given? I think you'd either need to know the percentage of cardholders in good standing, or the percentage of cardholders in bad standing.

Sean on

4

Its hypothetical - IF they were given the card and IF they defaulted on it... how many of them would have to default in order for the losses from their accounts to justify the $1/application cost of rejecting them.

Anonymous on

4

I had the same case and you can ask for more info like percent in good standing etc.

mike on

1

Am I wrong to think that the 96% is not relevant? I think it should be (1-p)(Avg Profit)-(p)(Avg Loss) = 1M. Solve for p that justifies spending $1M to deny 4% of applications. This is of course assuming that the 96% are profitable in the net.

Dave on

2

So, they pay $1M dollars to verify. Assume $1M is only justified if they save >= $1M by verifying. Given: - 40,000 people are denied (4% of the applications) - the number people that need to default to lose $1M in defaults is: 1M/(avg-losses-per-default) Then: (1M/avg-loss-per-default)/40,000 is the percentage of the defaulters needed to cost $1,000,000 in defaults. I'd ask for a definition of 'justify' to verify the assumption above.

Jim on

1

I think if we know the % of good and % of bad customers we can calculate the total Profit as P=(% good of 960000 )*(AVg. Rev from good) - (% bad of 960000 )*(AVg. loss from bad) - 1M (from background check) Assuming the average loss per denied customer is same as the average loss from bad customer and lets call it x. The % of denied would be = 100*(P/Avg Loss)/400000

Anonymous on

0

I think if we know the % of good and % of bad customers we can calculate the total Profit as P=(% good of 960000 )*(AVg. Rev from good) - (% bad of 960000 )*(AVg. loss from bad) - 1M (from background check) Assuming the average loss per denied customer is same as the average loss from bad customer and lets call it x. The % of denied would be = 100*(P/x)/400000

Anonymous on

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