Requirements

a$.$ Determine the cost of goods sold and ending merchandise inventory by

preparing a perpetual inventory record using the specific identification meth

Assume the following costing information for the books sold during the mon

August $3$: $,7$ books costing $$19$ each

August $15$: $7$ books costing $$19$ each and $4$ books costing $$21$ each

August $28$: $2$ books costing $$21$ each and $2$ books costing $$28$ each

b$.$ Determine the cost of goods sold and ending merchandise inventory by

preparing a perpetual inventory record using the FIFO inventory costing

method.

c$.$ Determine the cost of goods sold and ending merchandise inventory by

preparing a perpetual inventory record using the LIFO inventory costing

method.

d$.$ Determine the cost of goods sold and ending merchandise inventory by

preparing a perpetual inventory record using the weighted$-$average inventor

costing method. Round weighted average unit cost to the nearest cent and

total cost to the nearest dollar.