can both probelms be solved please?

Search Annotations Accessibility Book Beginning inventory, purchases, and sales data for prepaid cell phones for May are as follows: Excel Show Me How Inventory May 1.550 units at 546 Purchases May 10 20 730 units at $45 1.200 units at $40 Sales May 12 1.200 units 14 30 31000 units a. Assuming that the perpetual inventory system is used, costing by the LIFO method, determine the cost of merchandise sold for each sale and the inventory balance after each sale, presenting the data in the form illustrated in Exhibit 4 b. Based upon the preceding data, would you expect the inventory to be higher or lower using the first-in, first-out method? ANSWER Check Figure: Inventory balance, May 31, $20,160 EX 7-6. Perpetual inventory using FIFO Obj. 2, 3 Assume that the business in Exercise 7-5 maintains a perpetual inventory system, costing by the first in, first-out method. Determine the cost of merchandise soid for each sale and the inventory balance after each sale, presenting the data in the form illustrated in Exhibit 3. Excel Show Me How ANSWER Check Figure: Inventory balance, May 31, $21.120