A firm acquired machinery on 1st July 2019 at a cost of Rs 45,000 and spent Rs 5,000 for its installation. The firm writes off depreciation at 10% per annum on the diminishing balance method. The books are closed on 31 st March every year. Depreciation for the year ended 31st March 2020 & 31st March 2021 will be Rs_______& Rs________.