Exercise 12-15b direct: computing cash flows lo p5 case x: compute cash received from customers: sales $ 515,000 accounts receivable, december 31, 2017 27,200 accounts receivable, december 31, 2018 33,600 case y: compute cash paid for rent: rent expense $ 139,800 rent payable, december 31, 2017 7,800 rent payable, december 31, 2018 6,200 case z: compute cash paid for inventory: cost of goods sold $ 525,000 inventory, december 31, 2017 158,600 accounts payable, december 31, 2017 66,700 inventory, december 31, 2018 130,400 accounts payable, december 31, 2018 82,000 for each of the above three separate cases, use the information provided about the calendar-year 2018 operations of sahim company to compute the required cash flow information.