ch15 please answer ALL questions correctly it all goes together

(Annuw percantage yinto) Compute the cost of the following trade credit terms using the compounding formula, or effective annual rate. Note: Assume a 30 -day month and 360 -day year: a. 2/15, net 45 b. 3/10, net 30 c. 4110 , net 60 a. 3/15, net 45 a. When payment is made on the net due date, the APR of the credit terms of 2/15, net 45 is \%. (Round to two decimal places.)