Whispering Winds Corporation sells one product, with information for July as follows:

July $1$ Inventory $100$ units at $$17\mathrm{.}00$ each

$4$ Sale $80$ ynits at $$18\mathrm{.}00$ each

$11$ Purchase $150$ units at $$16\mathrm{.}20$ each

$13$ Sale $120$ units at $$18\mathrm{.}80$ each

$20$ Purchase $160$ units at $$17\mathrm{.}70$ each

$27$ Sale $100$ units at $$20\mathrm{.}60$ each

Whispering Winds uses the FIFO cost formula. All purchases and sales are on account. Ignore any estimated returns on purchases and sales.