A company's inventory records indicate the following data for the month of April:

$\backslash$table$[[$Date$,$Activities,Units Acqu,ired a$,$it cost$,$Units,Sold a$,$at$,$Retai$],[$April $1,$Beginning inventory,$175$ units,e $$36,=$$$6,300,,,,],[$April $7,$Purchase,$145$ units,a $$40,=$$$5,800,,,,],[$April $11,$Sale,,,,$250,$units,e$,$$$110$