Assume a company needs to sell 500 units to break even. At 500 units sold, the company has a selling price of $40 per unit, variable costs of $25 per unit, and fixed costs of $15 per unit. What is the company's net operating income if the company sold 593 units? O a. $1,395 O b. $2,325 O c. $3,720 d. $0