You are trying to decide whether or not to extend credit to a particular customer. Your variable cost is $10 per unit; the selling price is $14. This customer wants to buy 100 units today and pay in 60 days. You think there is a 10% chance of default. The required return is 3% per 60 days. Should you extend credit? Assume this is a one-time sale and the customer will not buy if credit is not extended