P6.9 (LO5) Dominican Appliance Mart began operations on May 1. It uses a perpetual inventory system. During May, the company had the following purchases and sales for its Model 25 Sureshot camera. Purchases wolus Aldis Date Units Unit Cost Sales Units May 1 NT$4,600 . 7 BMB 8 NT$5,100 ildad 0213 11 12 1 song bolso 02015 ative Analy 15 Proble6 NT$5,520 Curlin 20 --- 3 25 DO 5 SI 0021 Instructions a. Determine the ending inventory under a perpetual inventory system using (1) FIFO and (2) moving- average cost. admonitubbor b. Which costing method produces (1) the higher ending inventory valuation and (2) the lower ending inventory valuation