Indicate which of the following costs are classified as mixed or step costs a. Electrical charge for the month b. Factory overhead c. Wages of quality control employee who gets paid a bonus for every 10 defects found d. Charges for an employee development seminar where the cost includes a speaker fee and cost of supplies for each attendee e. Phone plan where you purchase 10-minute increments of time

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."