At the start of the current year, SBC Corporation purchased $25\%$ of Sky Tech Incorporated for $$48$ million. At the time of purchase, the carrying value of Sky Tech's net assets was $$70$ million. The fair value of Sky Tech's depreciable assets was $$10$ million in excess of their book value. For this year, Sky Tech reported a net income of $$70$ million and declared and paid $$10$ million in dividends.

The total amount of additional depreciation to be recognized by SBC over the remaining life of the assets is:

Multiple Choice

$$2\mathrm{.}5$ million.

$$10$ million.

$$20$ million.

None of the other answer choices are correct.