If someone could help explain to me this, and the wrong values.

Wai Yeung is a self-employed insurance saleswoman. She started her business on July 1, 2020, and ended her first taxation year on December 31, 2020. On July 1, she purchased a car for $35,000 plus 13% HST. The car is financed with a bank loan. From July 1, to December 31, interest costs amounted to $2,200. Wal incurred the following additional expenses relating to her automobile: Repairs and maintenance Insurance Gasoline Parking while on business $ 600 1,400 2,300 700 During the period, Wal drove 20,000 kilometres, of which 18,000 kilometres were for business. Required: Complete the table below to answer the following questions. NOTE: Use months to calculate length of business year for all calculations below. 1. Calculate the maximum amount that Wal can deduct from her business income for tax purposes in 2020. Show expenses as negative numbers. Answer is complete but not entirely correct. Repairs and maintenance $ (600) Insurance $ (1,400) Gasoline $ (2,300) Interest (1,840) CCA (7,690) Subtotal (before prorating for business use) $ (13,830) Maximum allowable expenses (prorated for business use) $ (11,480) Parking $ (700) Maximum Car deductible expense $ (700) 2. Calculate the maximum CCA that Wal can deduct in 2021 and 2022, assuming that business kilometres driven and total kilometres driven both remain constant and that she sells her car in 2022 for $21,000 and replaces it with a new car costing $40,000 plus HST. Answer is complete but not entirely correct. CCA Limited to Total CCA Business Car use 2020 (2,563) 2021 (6,290) 2020 capital cost CCA 2020 2020 Undepreciated capital cost CCA 2021 2021 Undepreciated capital cost CCA 2022 2022 Undepreciated capital cost - old car New auto Cost CCA 2022 2022 Undepreciated capital cost - new Car $ 33,900 $ (2,563) X $ $ 26,210 $ (7,863) $ 18,347 $ (2,752) $ $ 0 $ 33,900 $ (15,255) $ 18,645 2022 (2,202) (12,204) 3. Calculate CCA if Wal were employed as an insurance saleswoman, rather than self-employed. Assume work kilometres driven and total kilometres driven both remain constant and that Wai keeps her car and does not buy a second car. 2020 Answer is complete but not entirely correct. CCA Total CCA limited to Work Use Car capital cost $ 33,900 CCA 2020 $ (15,255) $ (12,204) Undepreciated capital $ 18,645 cost CCA 2021 $ (5,594) (4,475) Undepreciated capital $ 13,025 X cost CCA 2022 (3,915) (3,132) X Undepreciated capital $ 9,136 cost $ 2021 2022 $ Wai Yeung is a self-employed insurance saleswoman. She started her business on July 1, 2020, and ended her first taxation year on December 31, 2020. On July 1, she purchased a car for $35,000 plus 13% HST. The car is financed with a bank loan. From July 1, to December 31, interest costs amounted to $2,200. Wal incurred the following additional expenses relating to her automobile: Repairs and maintenance Insurance Gasoline Parking while on business $ 600 1,400 2,300 700 During the period, Wal drove 20,000 kilometres, of which 18,000 kilometres were for business. Required: Complete the table below to answer the following questions. NOTE: Use months to calculate length of business year for all calculations below. 1. Calculate the maximum amount that Wal can deduct from her business income for tax purposes in 2020. Show expenses as negative numbers. Answer is complete but not entirely correct. Repairs and maintenance $ (600) Insurance $ (1,400) Gasoline $ (2,300) Interest (1,840) CCA (7,690) Subtotal (before prorating for business use) $ (13,830) Maximum allowable expenses (prorated for business use) $ (11,480) Parking $ (700) Maximum Car deductible expense $ (700) 2. Calculate the maximum CCA that Wal can deduct in 2021 and 2022, assuming that business kilometres driven and total kilometres driven both remain constant and that she sells her car in 2022 for $21,000 and replaces it with a new car costing $40,000 plus HST. Answer is complete but not entirely correct. CCA Limited to Total CCA Business Car use 2020 (2,563) 2021 (6,290) 2020 capital cost CCA 2020 2020 Undepreciated capital cost CCA 2021 2021 Undepreciated capital cost CCA 2022 2022 Undepreciated capital cost - old car New auto Cost CCA 2022 2022 Undepreciated capital cost - new Car $ 33,900 $ (2,563) X $ $ 26,210 $ (7,863) $ 18,347 $ (2,752) $ $ 0 $ 33,900 $ (15,255) $ 18,645 2022 (2,202) (12,204) 3. Calculate CCA if Wal were employed as an insurance saleswoman, rather than self-employed. Assume work kilometres driven and total kilometres driven both remain constant and that Wai keeps her car and does not buy a second car. 2020 Answer is complete but not entirely correct. CCA Total CCA limited to Work Use Car capital cost $ 33,900 CCA 2020 $ (15,255) $ (12,204) Undepreciated capital $ 18,645 cost CCA 2021 $ (5,594) (4,475) Undepreciated capital $ 13,025 X cost CCA 2022 (3,915) (3,132) X Undepreciated capital $ 9,136 cost $ 2021 2022 $