Computation of wages under various methods of wage payment: In an engineering factory, wages are paid on a weekly basis (48 hours per week) at a guaranteed hourly rate of Rs 3.00. A study revealed that the time required to manufacture a product was 12 minutes. However, a contingency allowance of 25%

is to be added to this for normal idle time, setting up time, etc. During the first week of June 1986, X produced 224 pieces. Compute X’s wages for the particular week using the following methods of wage payment:

(a) time rate,

(b) piece rate with a guaranteed time rate,

(c) Rowan’s premium bonus scheme and

(d) Halsey’s premium bonus scheme.