Shamrock Company sells discounted shoes to the fashion$-$oriented consumer. The following schedule relates to the company's inventory for the month of March:

$\backslash$table$[[$March $1,$Beginning inventory,$2,700$ units,$$79,650,],[7,$Purchase,$900$ units,$36,000,],[8,$Purchase,$1,350$ units,$67,500,],[15,$Sale,$3,150$ units,,$$283,500$