Amazon reported the following results for the year ended Dec. 31, 2019: Sales $ 7,200,000 Variable expenses 5,400,000 Contribution margin 1,800,000 Fixed expenses 1,296,000 Net operating income $ 504,000 Average operating assets $ 4,000,000 At the beginning of 2020, Amazon finds it has an $800,000 investment opportunity with the following expectations: Sales $ 2,480,000 Contribution margin ratio 40 % of sales Fixed expenses $ 800,800 Amazon's minimum required rate of return is 14%. If Amazon pursues the new investment opportunity in 2020 and further expects its main operations to remain consistent with last year, Amazon's combined residual income for the entire company in 2020 will be closest to: Multiple Choice $23,200 ($44,000) $628,000 $652,800