E$7\mathrm{.}13($LO $3)($Compute FIFO, LIFO, Average$-$Cost$-$Periodic$)$ Presented below is related to Blowfish radios for the Hootie Company for the month of July.

$\backslash$table$[[$Date$,$Transaction,Units In$,$Unit Cost,Total,Units Sold,Selling Price,Total$],[$July $1,$Balance,$100,$$$4\mathrm{.}10,$$ $410,,,],[6,$Purchase,$800,4\mathrm{.}20,3,360,,,$$ $2,100],[7,$Sale,,,,$300,$$$7\mathrm{.}00,2,190$