A shop-floor supervisor of a small factory presents the following per unit cost for Job No. 421 to determine the selling price: It is also noted that average hourly wage rates for the 3 departments,...

A shop-floor supervisor of a small factory presents the following per unit cost for Job No. 421 to determine the selling price:

It is also noted that average hourly wage rates for the 3 departments, X, Y, and Z are similar. Direct labour-hour method is followed to absorb overheads.

You are required to: (i) Draw up a job cost sheet; (ii) Calculate revised cost for the current year, using actual figures as basis; and (iii) Add 20 per cent to total costs to determine selling price.