Alsup Consulting sometimes performs services for which it receives payment at the conclusion of the engagement, up to six months after services commence. Alsup recognizes service revenue for financial reporting purposes when the services are performed. For tax purposes, revenue is reported when fees are collected. Service revenue, collections, and pretax accounting income for 20172020 are as follows: Service Revenue Collections Pretax Accounting Income 2017 $ 610,000 $ 590,000 $ 150,000 2018 710,000 720,000 215,000 2019 675,000 650,000 185,000 2020 660,000 685,000 165,000 There are no differences between accounting income and taxable income other than the temporary difference described above. The enacted tax rate for each year is 40%. (Hint: You may find it helpful to prepare a schedule that shows the balances in service revenue receivable at December 31, 20172020.) Required: 1. Prepare the appropriate journal entry to record Alsup's 2018 income taxes, Alsups 2019 income taxes and Alsups 2020 income taxes. (If no entry is required for a transaction/event, select "No journal entry required" in the first account field. Enter your answers in thousands.)