wyler. inc. has a beginning cash balance of $380 on March 1. the firm has projected sales of $550 in february, $700 in march, and $800 in april. the cost of goods sols is equal to 75% of sales. goods are purchases one month prior to the month of sale. the accounts payable period is 30 days and the accounts receivable is 15 days. the firm has monthly cash expenses of $200