Can you Please explain me these cases? Thank You!

The following four Cases make different assumptions with respect to the amounts of income and deductions available to Mr. Emerson Comfort for the current taxation year:

Case 1: During the year, Emerson has net employment income of $123,480, interest income of $4,622, and taxable capital gains of $24,246. He has allowable capital losses of $4,835. He has deductible child care costs of $9,372.

Case 2: During the year, Emerson has net business income of $72,438 and a net rental loss of $9,846. His taxable capital gains for the year total $4,233, while his allowable capital losses for the year are $7,489. Because of his very high Earned Income in the previous year, he is able to make $22,000 deductible RRSP contribution.

Case 3: During the year, Emerson has net employment income of $47,234 and a net business loss of $68,672. Capital gains for the year total $12,472 while capital losses are realized in the amount of $9,332. He has deductible child care costs of $3,922.

Case 4: During the year, Emerson has interest income of $6,250, net business income of $43,962, and capital gains of $12,376. He also has a net rental loss of $72,460 and capital losses of $23,874. As he moved to a new work location during the year, he has deductible moving expenses of $7,387.

Required: For each Case, calculate Emerson's Net Income for Tax Purposes. Indicate the amount and type of any loss carry overs that would be available at the end of the current year, or state that no carry overs are available.