Route Canal Shipping Company has the following schedule for aging of accounts receivable: (4) Percent of Amount Due (1) Month of Sales April March February January Total receivables Age of Receivables April 30, 20X1 (2) (3) Age of Account Amounts 0-30 $ 131,250 31-60 93,750 61-90 112.500 91-120 37,500 $ 375,000 100% a. Calculate the percentage of amount due for each month. Percent of Month of SalesAmount Due April March February January Total receivables 100 % b. If the firm had $1,500,000 in credit sales over the four-month period, compute the average collection period. Average daily sales should be based on a 120-day period. Average collection period days