Ketcham manufactures a household product. The standard cost of this product is

Direct material $3$kg at $$1\mathrm{.}25$ per kg $=$ $$3\mathrm{.}75$ per unit

Direct Labour $3$ hours at $$5\mathrm{.}10$ per hour

The company manufactures this product in batches of $50,000$ units per month and all

production is completed by the end of the period.

In October the actual results were:

Direct material $158,000$ kg costing $$189,600$

Direct labour $156,000$ hours costing $$819,000$

You are required to calculate the following variances:

i$.$ Direct material price variance $(4$ marks$)$

ii$.$ Direct material usage variance $(4$ marks$)$

iii. Direct labour rate variance $(4$ marks$)$

iv$.$ Direct labour efficiency variance