please answer Part B - accounts receivable balance - I know that 448,000 is also an incorrect answer. Thank you!

Sequoia Furniture Company's sales over the past three months, half of which are for cash, were as follows: March $428,000 April $678,000 May $548,000 a. Assume that Sequoia's collection period is 60 days. What would be its cash receipts in May? What would be its accounts receivable balance at the end of May? Answer is complete and correct. $ Cash receipts Accounts receivable balance 488,000 613,000 $ b. Now assume that Sequoias collection period is 45 days. What would be its cash receipts in May? What would be its accounts receivable balance at the end of May? Answer is complete but not entirely correct. $ Cash receipts Accounts receivable balance 550,500 274,000 X $