4 Use the following to calculate pretax income (IBT): $. 5,000 Sales revenue 4,000 Cost of goods sold 14,000 Salaries expense 5,000 Rent expense 2$ 175,000 85,000 Interest revenue $ 300,000 Income tax expense Selling expenses Utilities expense 6,000 The company purchased new equipment at the beginning of year 1 for $300,000. Management estimated they would use the equipment for 4 years and when they were done using it they estimated the residual value would be $30,000. What is the equipment's book value at the end of year 3 assuming the company uses straight-line deprecation? $