Please include steps and explanations, thank you

The balance sheet of the company ABC as at 01.12.2020: ASSETS EQUITY & LIABILITIES Tangible fixed asset (machine)* 40 000 Shareholders' equity 10 000 Inventory: Goods for sale 10 000 Liabilities 10 000 Cash and cash equivalents 10 000 Deferred income* 40 000 Total assets 60 000 Total equity & liabilities 60 000 *Machine was donated 2 years ago; accumulated depreciation 20 000, useful life 6 years, straight-linethod applied. In December (costs by nature applied): 1. On 08.12.2020, the company received a prepayment from a client in the amount of 10 000. 2. On 22.12.2020, the company delivered 60% of goods for which it received a prepayment. The value of goods 4 800. 3. On 31.12.2020, the company set up a provision for warranty repairs at a value of 500. 4. On 31.12.2020, the company recorded depreciation of tangible fixed asset and settled part of the deferred income. Required: 1. Open the T-accounts based on the Balance Sheet data. 2. Record all transactions in T-accounts and close all accounts on 31.12.2020. Calculate the amount of net income / (loss)