PLEASE HELP WITH THE $3$ WRONG ANSWERS...

QUESTION: Periodic Inventory by Three Methods

The beginning inventory of merchandise at Rhodes Co$.$ and data on purchases and sales for a three$-$month period

ending June $30$ are as follows:

Required:

Determine the inventory on June $30$ and the cost of merchandise sold for the three$-$month period, using the first$-$in$,$

first$-$out method and the periodic inventory system.

Merchandise inventory, June $30,$$

Cost of merchandise sold $

Determine the inventory on June $30$ and the cost of merchandise sold for the three$-$month period, using the last$-$in$,$

first$-$out method and the periodic inventory system.

Merchandise inventory, June $30$

Cost of merchandise sold

Determine the inventory on June $30$ and the cost of merchandise sold for the three$-$month period, using the

weighted average cost method and the periodic inventory system. Round the weighted average unit cost and final

answers to the nearest dollar.

Merchandise inventory, June $30$

Cost of merchandise sold

Compare the gross profit and June $30$ inventories using the following column headings. Enter all amounts as positive

numbers.Please help me with the $3$ answers that are incorrect... Cost of merchandise sold $\_\_\_\_\_\_\_\_\_\_$ and cost of merchandise sold $($weighted average$)\_\_\_\_\_\_\_\_\_\_\_$ and gross profit $($weighted average$)\_\_\_\_\_\_\_\_\_\_\_$