courses / [Bow Valley 01/2023] FNSR2202: 23JANMNTR1 5: Cost-Volume-Profit Analysis / Chapter 5 Quiz At 10,000 units of sales, ABC Inc's total costs are forecast to be $30,000. At 20,000 units of sales, ABC Inc's total costs are forecast to be $50,000. Using the High-Low method, the total fixed costs are forecast to be: Select one: a. $20,000 b. $10,000. c. $30,000. d. $50,000