Answer the following questions using the information below: Company A sells a single product. 1,500 units were sold resulting in $30,000 of sales revenue; $21,000 of variable costs, and $2,400 of fixed costs. If sales increase by $20,000, operating income will increase BY: A. $11,400 OB. None of them OC. $6,000 D. $12,000

Answer the following questions using the information below: Company A selis a single product. 1,500 units woro sold rosulting in $30,000 of salos revenuo; $21,000 of variable costs, and $2,400 of fired costs. If sales increase by $20,000, operating income will increase BY: A. $11,400 B. None of them C. $6,000 D. $12,000