Garland Company's cost formula for its supplies cost is $1,640 per month plus $9 per unit. For the month of February, the company planned for activity of 572 units, but the actual level of activity was 573 units. The actual supplies cost for the month was $7,080. The supplies cost in the flexible budget for February would be closest to: $7,080 $6,797 $7,068 $6.788