Hoover Company purchased two identical inventory items. The item purchased first cost $39.50. The item purchased second cost $43.75. Then Hoover sold one of the inventory items for $70. Based on this information:

a. the amount of ending inventory is $43.75 if Hoover uses the LIFO cost flow method.

b.the amount of gross margin is $28.38 if Hoover uses the weighted average cost flow method.

c.the amount of cost of goods sold is $43.75 if Hoover uses the FIFO cost flow method.

d.the amount of cost of goods sold is $39.50 if Hoover uses the LIFO cost flow method.