DE 10-9 This exercise uses the Vantas Airways' data from Daily Exercise 10-7. Assume Vantas Airways is trying to decide which depreciation method to use for income tax purposes. 1. Which depreciation method offers the tax advantage for the first year? Describe the nature of the tax advantage. 2. How much income tax will Vantas save for the first year of the airplane's use as compared to using the straight-line depreciation method? Vantas' income tax rate is 40%.