Required information

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Warnerwoods Company uses a periodic inventory system. It entered into the following purchases and sales transactions

for March.

For specific identification, units sold include $80$ units from beginning inventory, $340$ units from the March $5$ purchase, $40$

units from the March $18$ purchase, and $120$ units from the March $25$ purchase.

Required:

Compute cost of goods available for sale and the number of units available for sale.