Chelsa manufacturing co.'s static budget at 5,000 units of production includes $40,000 for direct labor and $5,000 for variable electric power. total fixed costs are $23,000. at 8,000 units of production, a flexible budget would show
a. variable and fixed costs totaling $107,000
b. variable costs of $64,000, and $28,000 of fixed costs
c. variable costs of $64,000, and $23,000 of fixed costs
d. variable costs of $72,000, and $23,000 of fixed costs