During 2019, Jack Harris sells a capital asset with an adjusted cost base of $87,200 for proceeds of $105,300. He receives a down payment of $5,300 in 2019, a second payment of $50,000 in 2020, and a final payment of $50,000 in 2021. What is the minimum amount that Jack will have to include in Net Income For Tax Purposes in 2019, 2020, and 2021 as a result of this sale? (Please explain in detail how to get allowed and gain. What role does reserve play in this question? Thanks)