1. IPL Sports LTD is a small manufacturing company specializing in the production of cricket bats. IPL Sports LTD currently manufactures 2 types of bats: IPL Plus - a hand-crafted bat designed for professional use. IPL Gold - a machine-manufactured cheaper bat designed for casual cricket. Following is a break-up of the standard variable manufacturing overhead costs: IPL Plus IPL Gold Number of Hours 2 direct labor hours 1 machine hour Overheads: Indirect Labor Rs.10 Polish Rs.5 Rs.1 Sand paper Rs. 1 Glue Rs. 1 Rs. 0.5 Machine lubricants Rs. 0.5 Electricity Total Rs. 3 Rs. 10 Rs.20 Rs. 12 (Rs.10 per direct labor hour) (Rs.12 per machine hour) Following information relates to the actual data from last month: Variable Manufacturing Overheads Rs.175,000 Direct Labor Hours 10,000 Machine Hours 5,000 Production (units) - IPL Plus 4,500 Production (units) - IPL Gold 5,200 Calculate; Variable overhead expenditure variance and efficiency variance.