Amber Company produces iron table and chair sets. During October, Amber's costs were as follows: Actual purchase price Actual direct labor rate Standard purchase price $ 1.40 per pound $ 6.60 per hour $ 1.20 per pound Standard quantity for sets produced 880,000 pounds standard direct labor hours allowed 15,000 Actual quantity purchased in October 1,025,000 pounds Actual direct labor hours 8,000 Actual quantity used in October 910,000 pounds Direct labor rate variance $4,640 F Required: 1. Calculate the total cost of purchases for October. 2. Compute the direct materials price variance based on the actual quantity purchased. 3. Calculate the direct materials quantity variance based on the actual quantity used. 4. Compute the standard direct labor rate for October. 5. Compute the direct labor efficiency variance for October