Route Canal Shipping Company has the following schedule for aging of accounts receivable: Age of Receivables April 30, 20X1 (2) Age of Account 0-30 31-60 61-90 91-120 (1) Month of Sales (3) (4) Percent of Amount Due Amounts April March 159,250 91,000 136,500 68,250 $ 455,000 February January Total receivables 100% a. Calculate the percentage of amount due for each month. Percent of Amount Due Month of Sales April March % February January % Total receivables 100 % b. If the firm had $1,560,000 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