Question 15 (2 points) Company ) manufactures calculators and budgets to make 21,000 units per month; variable costs for these units are budgeted as follows: labour... $42,000 & material .... $10,500. For the month of June, the actual results were 22,500 units made at a total labour cost of $47,250 and a total material cost of $9,000. For the month of June, calculate the flexible budget variance for total variable costs. $5,250 U $0 $3,750 F $3,750 U