please answer each part from the problem and show work. thank you

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KAYAK Corporation makes a product with the following standard costs: Direct Materials (Lbs) Direct Labor (Hrs) Variable OH Costs (based on Hrs) Standard Quantity Std Price/Rate per unit of Measure 2.8 lbs $4.00/ lb 0.20 hrs/ unit $21.00/hr 0.20/hr $4.00/hr Actual Results: 9,600 units produced Direct material - $3.70 per Ib for Total Cost of $99,937 Direct Labor - Total Cost of $37,050 with average labor rate of $19.00 Total Overhead Cost of $7,995 allocated based on direct labor hours Required: a. Compute the total product cost variance, in total. (7.5pts) b. Compute the total materials quantity variance. (5pts) c. Compute the materials price variance. (5pts) d. Compute the total labor efficiency variance. (5pts) e. Compute the labor rate variance. (5pts) f. Compute the total variable overhead efficiency variance. (5pts) g. Compute the variable overhead rate variance. (5pts)