In an engineering concern, the employees are paid incentive bonus in addition to their nor mal wages at hourly rates. Incentive bonus is calculated in proportion of time taken to time allowed. of the time saved. The following details are made available in respect of employees X. Y and Z for a particular week X Y Z Normal wages (per hour) $40 $50 $60 Completed units of production 6,000 3,000 4,800 Time allowed per 100 units (hour) 0.8 1.5 1 time taken (hours) 42 40 40 48 You are required to work out for each employee: The amount of bonus earned, (ii) The total amount of wags received, and (iii) The total wages cost per 100 units of output.