A personnel transport company purchased a bus with a total cost of $2,000,000 on April 1, 2021. It estimated that the bus would be useful for 10 years, it would cover a total of 800,000 km. and in the end it would have a residual value of 20% of the cost. If in the year 2021 the bus was used 50,000 km, determine the depreciation expense by the km traveled method

1)$100,000 2) $125,000 3) $120,000 4) $160,000