Please can you provide the answer this question

Question 1: 10 marks Given the following data for Avionics Corporation: Standard direct materials per unit Standard direct labour hours per unit Standard direct materials price Standard direct labour rate Production (in finished or equivalent units) Actual direct labour hours Actual direct labour cost Actual direct materials used Units sold Direct materials purchased Cost of direct materials purchased 4 ml. 1.5 hours $5 per ml. $6 per hour 2,000 units 2,200 hrs $23,490 7,800 ml. 1,400 units 8,000 ml. $34,000 a) Calculate the direct material and direct labour price and efficiency variances b) Suggest two possible causes for the largest variance in part (a). For each cause you identify, describe an appropriate action (if any) that managers should take. c) Describe two general factors that managers should consider in deciding whether to investigate the variances in part (a)