Consider the case of the Cast Iron Company. On each nondelinquent sale, Cast Iron recelves revenues with a present value of $1,340 and incurs costs with a present value of $1,000. Cast Iron's costs have increased from $1,000 to $1,190. Assuming that there is no possibility of repeat orders and that the probability of successful collection from the customer is p=0.85, answer the following. a-1. What is the expected profit of granting credit? Note: Negative amount should be indicated by a minus sign. Do not round intermediate calculations. Round your answer to 1 decimal place. a-2. Should Cast iron grant or refuse credit? b. What is the break-even probability of collection? Note: Enter your answer as a percent rounded to 1 decimal place