Compute total variable cost' per unit. Complete this question by entering your answers in the tabs below. Compute total fixed costs. Required 2 Exercise 21-3 (Algo) Preparing flexible budgets LO P1 Tempo Company's fixed budget (based on sales of 18,000 units) folllows. 1. Compute total variable cost per unit. 2. Compute total fixed costs. 3. Prepare a flexible budget at activity levels of 16,000 units and 20,000 units