Using the gross profit method, find the estimated cost of goods sold for the following data and
 net sales value of $600.00 to estimate inventory if gross profit on sales is 30 percent.
 • January 1 inventory: 320 serving trays purchased at $1.50 per unit cost
 • April 1 inventory: 300 serving trays purchased at $1.10 per unit cost
 • July 1 inventory: 100 serving trays purchased at $2.00 per unit cost
 O $1,010.00
 O $420.00
 O $200.00
 O $330.00