If a company had a contribution margin of $2900000 and a contribution margin ratio of 40%, total variable costs must have been $1160000. $7250000. $1740000 $4350000. O O Concord Corporation's variable costs are 30 % of sales. The company is contemplating an advertising campaign that will cost $45000. If sales are expected to increase $100000, by how much will the company's net income increase? $70000 $30000 $25000 $55000 Sunland Company produces flash drives for computers, which it sells for $27 each. The variable cost to make each flash drive is $13. During April, 650 drives were sold Fixed costs for April were $1400. How much is the monthly break-even level of sales in dollars for Sunland? $100 $7800 $2700 $13000