Fts sells a workbook with printed material unique to each course to each student who attends the course. any workbooks that are not sold must be destroyed. prior to the first class, fts printed 20 copies of the books based on the client’s estimate of the number of people who would attend the course. each workbook costs $30 and is sold to course participants for $50. this cost includes a royalty fee paid to the author and the cost of duplication. calculate the workbook cost in total and per student, assuming that 18, 20, or 22 students attempt to attend the course. classify the cost of workbooks as fixed or variable relative to the number of students attending the course.

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."