Foggy Co. has the following operating data for its manufacturing operations: The company has decided to increase the wages of hourly workers, which will increase the unit variable cost by 10%. Increases in the salaries of factory supervisors and property taxes for the factory will increase fixed costs by 4%. If sales prices are held constant, the break-even point for Flynn Co. will unit selling price $250.00 unit variable cost $100 Total Fixed Cost $840,000 a. increase by 800 units. b. decrease by 640 units. c. increase by 640 units. d. increase by 400 units