Purchases made on credit are due in full by the end of the billing period. Many firms extend a discount for payment made in the first part of the billing period. The original invoice contains a type of shorthand notation that explains the credit terms that apply. (Note: Assume a 365-day year.) cash discount cash discount period credit period Beginning of credit period 1% 15 days 45 days date of invoice 2% 10 days 30 days end of month 2% 7 days 28 days date of invoice 1% 10 days 60 days end of month a. Write the shorthand expression of credit terms for each of the following (See pg. 605): (Insert Answer Here) b. For each of the sets of credit terms in part a, calculate the number of days until full payment is due for invoices dated March 12. (Insert Answer Here) c. For each of the sets of credit terms, calculate the cost of giving up the cash discount. (Insert Answer Here) d. If the firm