i need help with both i dont understand , but just the first one

QUESTION 25 Rotan, Inc. purchased a van on January 1, 2018, for $850,000. Estimated life of the van was five years, and its estimated residual value was $24,000. Rotan uses the straight-line method of depreciation. At the beginning of 2020, the corporation revised the total estimated life of the asset from five years to seven years. The estimated residual value remained the same as estimated earlier. Calculate the depreciation expense for 2020 $75,600 $113,400 $64,800 $90,720 QUESTION 28 On January 1, 2018, West Coast Boats paid $ 1,850,000 for its 35% investment in East Coast Autos. After the purchase, West Coast Boats has significant influence over East Coast Autos. East Coast Autos eamed net income of $30,000,000 and paid cash dividends of $15,000,000 to all outstanding stockholders during 2018. Assume all outstanding stock is voting stock. What is the December 31, 2018 balance of the investment account (Equity Investments - East Coast Autos)? $7,400,000 $7,300,000 $7,100,000 $7,200,000