Pina Enterprises purchased a delivery truck on January 1, 2020, at a cost of $28,000. The truck has a useful life of 7 years with an estimated salvage value of $5,460. The straight-line method is used for book purposes. For tax purposes, the truck, having an MACRS class life of 7 years, is classified as 5-year property, the optional MACRS tax rate tables are used to compute depreciation. In addition, assume that for 2020 and 2021 the company has revenues of $206,000 and operating expenses (excluding depreciation) of $133,900. Recovery Year MACRS Depreciation Rates by Class of Property 3-year 5-year 7-year 10-year (200% DB) (200% DB) (200% DB) (200% DB) 33.33 20.00 14.29 10.00 15-year (150% DB) 20-year (150% DB) 1 5.00 3.750 2 44.45 32.00 24.29 18.00 9.50 7.219 3 14.81" 19.20 17.49 14.40 8.55 6.677 4 7.41 11.52* 12.49 11.52 7.70 6.177 5 11.52 8.939 9.22 6.93 5.713 6 5.76 8.92 7.37 6.23 5.285 7 8.93 6.55* 5.90 4.888 8 4.46 6.55 5.90 4.522 9 6.56 5.91 4.462" 10 6.55 5.90 4.461 11 3.28 5.91 4.462 12 5.90 4.461 13 5.91 4.462 14 5.90 4.461 15 5.91 4.462 16 2.95 4.461 17 4.462 18 4.461 19 4.462 20 4.461 21 2.231 *Switchover to straight-line depreciation. Compute book income before income taxes for 2020 and 2021. 2020 2021 Income before income taxes $ $