4. The Brown Fish co. is producing a product X200. The standards call for 5.0 meters of a raw material that costs $19.10 per meter. Last month, 2,700 meters of the raw material were purchased for $51,570. The actual output of the month was 460 units. A total of 200 meters of the raw material left unused during the month. The standards for labors call for 8.4 direct labor-hours per unit at $12.00 per direct labor-hour. Last month, 3,800 direct labor-hours worked for at a total direct labor wage cost of $41,020. Required: a) What was the materials price and quantity variance for the month? Interpret the values. b) What was the labor rate and efficiency variance for the month? Interpret the values. (7.5) (7.5)