Calculate from the following data the MHR for Machine A.

Cost of machine Rs 1,050 Estimated scrap value Rs 50 Effective working life 20,000 hours Running time in 4 weekly periods 150 hours Weekly amount payable under maintenance agreement covering all repairs Rs 7.50 Standing charges allocated to machine per 4 weekly periods Rs 6.00 Power used by machine 5 units per hour at 6 paise per unit