Wheeler corporation produces and sell special eyeglass straps for sporting ent

Wheeler corporation produces and sell special eyeglass straps for sporting enthusiasts. In 2011 the company budgeted for production and sales of 1200 straps.
However the company produced and sold just 1100 straps. Each strap has a standard requiring one metre of material at budgeted cost of 1.50 per metre and two
hours of assembly time at a cost of 12 dollar per hour. Actual costs for the production of 1100 items were 1435.50 for materials (990 metres at 1.45 dollar per
meter) and 29 161 dollar for labour (2420 hours at 12.05 dollar per hour).

Required:

a. Calculate the direct material price variance

b. Calculate the direct material usage variance

c. Calculate the direct labour rate variance

d. Calculate the direct labour efficiency variance