Periodic Inventory by Three Methods

The beginning inventory at Midnight Supplies and data on purchases and sales for a three$-$month period ending March $31,$ are as follows:

$\backslash$table$[[$Date$,$Transaction,$\backslash$table$[[$Number$],[$of Units$]],$Per Unit,Total$],[$Jan$.1,$Inventory,$7,500,$$$75\mathrm{.}00,$$$562,500$