Please answer Questions A, B and C. Thank you

Brier Company, manufacturer of car seat covers, provided the following standard costs for its product: Standard Standard Cost Standard Cost ($) Inputs Quantity per Unit ($) Direct materials 7.1 pounds 5 per pound 35.50 Direct labour 0.8 hours 17 per hour 13.60 Variable overheads 0.8 hours 7 per hour 5.60 The company reported the following in 2022 May: 4 700 units Original budgeted output Actual output 4 500 units Actual direct labour hours 3 610 hours Actual cost of direct labour. Purchases of raw materials $65 341 36 500 pounds $186 150 Actual price paid for raw materials Raw materials used 34 150 pounds Actual variable overhead cost $24 909 Variable overhead is applied on the basis of direct labour hours. A. Compute the following: Direct materials quantity variance Direct materials price variance Direct materials total variance Direct labour efficiency variance Direct labour rate variance Direct labour total variance vii. Variable overhead efficiency variance viii. Variable overhead rate variance B. C. ii. 111. iv. iv. V. vi. vii. State TWO (2) benefits of standard costing. What are TWO (2) limitations of standard costing