AGD Co is a profitable company which is considering the purchase of a machine costing $320,000. If purchased, AGD Co would incur annual maintenance costs of $25,000. The machine would be used for three years and at the end of this period would be sold for $50,000. Alternatively, the machine could be obtained under an operating lease for an annual lease rental of $120,000 per year, payable in advance.

AGD Co can claim tax allowable depreciation on a 25% reducing balance basis. The company pays tax on profits at an annual rate of 30% and all tax liabilities are paid one year in arrears. AGD Co has an accounting year that ends on 31 December. If the machine is purchased, payment will be made in January of the first year of operation. If leased, annual lease rentals will be paid in January of each year of operation.