Coronado Marine Products began the year with $8$ units of marine floats at a cost of $$11$ each. During the year, it made the following purchases: May $5,27$ units at $$15$; July $16,20$ units at $$20$; and December $7,25$ units at $$23.$ Assume there are $30$ units on hand at the end of the period. Coronado uses the periodic system.

$($a$)$

Determine the cost of goods sold under FIFO.

Cost of good sold