A truck acquired at a cost of $285,000 has an estimated residual value of $14,100, has an estimated useful life of 43,000 miles, and was driven 3,900 miles during the year. Determine the following. If required, round your answer for the depreciation rate to two decimal places. (a) The depreciable cost $fill in the blank 1 (b) The depreciation rate $fill in the blank 2 per mile (c) The units-of-activity depreciation for the year

Juan's investment portfolio was valued at $125,640 at the beginning of the year. during the year, juan received $603 in interest income and $298 in dividend income. juan also sold shares of stock and realized $1,459 in capital gains. juan's portfolio is valued at $142,608 at the end of the year. all income and realized gains were reinvested. no funds were contributed or withdrawn during the year. what is the amount of income juan must declare this year for income tax purposes?