Using the following information, what is Alpha's total sales (not gross profit or net sales)? Ending inventory ......... $ 400 Purchase returns & allowances..... 140 Operating expenses 700 Sales discounts. .100 Income tax expense 100 Net income .300 Beginning inventory.. .800 Sales returns & allowances...... 400 Purchase discounts.. .60 Purchases 1,700 $3.000 $3,500 $4,000 $3,700 The correct answer is not listed