urgent! due in 5 min ! is this right?

Mercer Co. produces plastic cannisters. Each cannister requires 4.7 ounces of plastic. During November, 450,000 cannisters were produced using 1,875,000 ounces of plastic. The actual cost of plastic was $0.10 per ounce and the standard price was $0.08 per ounce. There are no beginning or ending inventories of plastic. What is the materials price variance? Was it favorable or unfavorable? $37.500 unfavorable $37.500 favorable 0 $42.500 favorable $42.300 unfavorable