The ACC Tutoring Service provides tutoring to accounting students. The volume of tutoring is low at the beginning of the semester and increases before exams. ACC had its highest level of service in May when they provided 4,300 hours of tutoring at a total cost of $125,000 and its lowest level of service in January when they provided 1,500 hours of tutoring at a total cost of $55,000. Using the high-low method, the estimated variable cost per hour is $ .

Martinez company has the following two temporary differences between its income tax expense and income taxes payable. 2017 2018 2019 pretax financial income $873,000 $866,000 $947,000 (2017' 2018, 2019) excess depreciation expense on tax return (29,400 ) (39,000 ) (9,600 ) (2017' 2018, 2019) excess warranty expense in financial income 20,000 9,900 8,300 (2017' 2018, 2019) taxable income $863,600 $836,900 $945,700(2017' 2018, 2019) the income tax rate for all years is 40%. instructions: a. prepare the journal entry to record income tax expense, deferred income taxes, and income taxes payable for 2017, 2018, and 2019. b. assuming there were no temporary differences prior to 2016, indicate how deferred taxes will be reported on the 2016 balance sheet. button's warranty is for 12 months. c. prepare the income tax expense section of the income statement for 2017, beginning with the line, "pretax financial income."