3) Colossians Corporation produces a single product.Variable manufacturing overhead is applied to products on the basis of direct labor hours.The standard costs for one unit of product are as follows:

Direct materials - 6 grams at P 5.00P 30.00

Direct labor - 1.8 hours at P100 per hour180.00

Variable manufacturing overhead1.8 hrs at P5090.00

Total standard variable cost per unitP300.00

During December 2020,2,000 units were produced.The costs associated with December are as follows:

Materials purchased:18,000 grams at P6.00P108,000.00

Materials used in production:14,000 grams-

Direct labor:4,000 hours at P97.50390,000.00

Variable manufacturing overhead costs incurred208,000.00

Compute the following:

a. Material variances

b. Labor variances

c. Variable manufacturing variances