(a) The Trial Balance of Mr. Sarvesh Kumar as on 31st March,2024 did not tally and the difference was posted to Suspense Account. On a scrutiny of the books; the following errors were detected: (i) The total of Sales Returns Book for January 2024 has been casted short by ₹ 1,000. (ii) Freight paid for installation of a Machine ₹ 6,500 was posted to the Freight Account as ₹5,600. (iii) Goods of the value of ₹ 2,500 returned by a customer were entered in the Sales day Book and posted therefrom to the credit of his account. (iv) ₹ 18,000 paid for purchase of old Motorcycle for personal use of Mr. Sarvesh Kumar was debited to conveyance account. (v) A purchase of ₹6,700 had been posted to creditor's account as ₹6,000. (vi) Receipt of cash ₹ 5,000 from Mr. Avinash was posted to the debit of his account. (vii) A cheque for ₹2,500 received form Mr. Alok had been dishonoured and was posted to the debit of Mr. Ashok. (viii) Sale of 8,500 to Mr. Deepak was recorded in the sales book correctly but while posting in ledger credited to his account. (ix) The total of "Discount Allowed" column in the cash for the month of December 2023 amounting to ₹3,800 was not posted. (x) Sale of old office table for ₹2,200 treated as sale of goods. You are required to pass necessary journal entries with narrations to rectify the above errors.

(b) On 1st April,2022, LMP Co. which depreciates its machinery @10% p.a. on diminishing balance method, had ₹ 9,72,000 to the debit of Machinery Account. On 1st October, 2022, part of machinery purchased on 1st April, 2020 for ₹80,000 was sold for ₹45,000. Also, a new machinery at a cost of ₹ 1,50,000 was purchased on 1st October, 2022 and installed on the same date and installation charges being ₹8,000. The company changed the method of depreciation from diminishing balance method to straight line method with effect from 1st April, 2020 and adjusted the difference on 31st March, 2023. The rate of depreciation remains the same. Show the Machinery Account and ascertain the amount chargeable to Profit and Loss Account as depreciation in the year 2022-23.