Pronghorn Outdoor Stores Inc. uses a perpetual inventory system and has a beginning inventory, as at April $1,$ of $157$ tents. This consists of $50$ tents purchased in February at a cost of $$206$ each and $107$ tents purchased in March at a cost of $$226$ each. During April, the company had the following purchases and sales of tents:

$\backslash$table$[[$Purchases$,$Sales$],[$Date$,$Units,Unit Cost,Units,Unit Price,$],[$Apr$.3,,,72,$$$411,],[10,207,$$$278,,,],[17,,,255,411,],[24,296,294,,,],[30,,,204,411,]]$