January $1$

Beginning inventory

$645$

units

@ $$45\mathrm{.}00$ per unit

February $10$

Purchase

$490$

units

@ $$42\mathrm{.}00$ per unit

March $13$

Purchase

$245$

units

@ $$27\mathrm{.}00$ per unit

March $15$

Sales

$980$

units

@ $$75\mathrm{.}00$ per unit

August $21$

Purchase

$145$

units

@ $$50\mathrm{.}00$ per unit

September $5$

Purchase

$545$

units

@ $$46\mathrm{.}00$ per unit

September $10$

Sales

$690$

units

@ $$75\mathrm{.}00$ per unit

Totals

$2,070$

units

$1,670$

units

Compute gross profit earned by the company for each of the four costing methods.

Note: Round your average cost per unit to $2$ decimal places. Round your final answers to the nearest whole dollar amount.

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