Kodachrome Inc. produces two models of instant digital cameras: Model 24 has sales of 500 units with a contribution margin of $40 each; Model 26 has sales of 350 units with a contribution margin of $50 each. If sales of Model 26 increase by 100 units and sales of Model 24 decrease by 50 units, how much will the company's profit change? $5000 decrease $3000 increase $6500 increase $7000 increase