Sherwin chemicals produces commercial strength cleansing supplies. two of its main products are window cleanser that uses ammonia, and floor cleanser that uses bleach. information for the most recent period follows: product names window cleaner (ammonia) floor cleaner (bleach) direct materials information standard ounces per unit 16 oz. 24 oz. standard price per ounce $0.75 ? actual quantity used per unit 20 oz. 22 oz. actual price paid for material $1.00 $0.90 actual quantity purchased 1,500 oz. 2,800 oz.. price variance ? $300 u quantity variance $300 u ? flexible budget variance ? $665 f number of units produced 100 168 6. what is the direct materials price variance for ammonia? a) $2,500 favorable b) $2,500 unfavorable c) $375 favorable d) $375 unfavorable