Jack's Online Service on April 30 has the following account balances $35,000 8,000 Sales Sales Returns and Allowances Purchases Freight In Purchase Returns and Allow. Purchases Discounts 1,400 2,300 1,600 If net purchases for the period are $10,000, what is the amount of gross purchases? O A. $11,600 O B. $12,500 O C. $13,900 D. $10,200