please answer all parts for a thumbs up

RECEIVABLES INVESTMENT McEwan Industries sells on terms of 3/10, net 20. Total sales for the year are $1,361,500; 40% of the customers pay on the 10th day and take discounts, while the other 60% pay, on average, 90 days after their purchases. Assume 365 days in year for your calculations. a. What is the days sales outstanding? Round your answer to two decimal places. days b. What is the average amount of receivables? Round your answer to the nearest cent. Do not round Intermediate calculations. $ c. What is the percentage cost of trade credit to customers who take the discount? Round your answers to two decimal places. d. What is the percentage cost of trade credit to customers who do not take the discount and pay in 90 days? Round your answers to two decimal places. Do not round Nominal cost: Effective cost: e. What would happen to McEwan's accounts receivable if it toughened up on its collection policy with the result that all nondiscount customers paid on the 20th day? Round your answers to two decimal places. Do not round intermediate calculations Days sales outstanding (DSO) - days Average receivables