20. A Plant was purchased on 1st July, 2015 at a cost of ₹3,00,000 and ₹50,000 were spent on its installation. The depreciation is written off at 15% p.a. on the straight line method. The plant was sold for ₹1,50,000 on October 01, 2017 and on the same date a new Plant was installed at the cost of ₹4,00,000 including purchasing value. The accounts are closed on December 31 every year.

Show the machinery account and provision for depreciation account for 3 years.