Given the following information for Direct Labour: budgeted labour hours budgeted labour rate budgeted labour cost Employee (in hours) (in $/hour) 40 Senior Junior Temporary 480 20 15 (in S) 1,200 9,600 1,800 120 actual labour hours actual labour Employee cost actual labour rate (in $/hour) 30 20 (in s) (in hours) 60 Senior Junior Temporary 490 80 1,800 9,800 1,200 The budget is based on production of 40 units. Actual production was 45 units. Requried: Calculate the following variances: A. Labour Price B. Labour Efficiency C. Labour mix variance D. Labour yield variance E. Assume that the Labour rate and Labour yield variances are inter-linked. Give a possible explanation for the mix and yield variances