Required information

$[$The following information applies to the questions displayed below.$]$

Tree Seedlings has the following current$-$year purchases and sales for its only product.

$\backslash$table$[[$Date$,$Activities,Units Acqu,ed at$,$Cost,Units Sold at$,$Retail$],[\backslash$table$[[$January $1],[$January $3]],\backslash$table$[[$Beginning inventory$],[$Sales$]],90$ units,@ $$2=,=$$$180,,],[$February $14,$Purchase,$120$ units,$($a $$3=,=$$$360,66$ units,c $$8$