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 2020-2023 are as follows: Service Revenue Collections 2020 $708,000 $668,000 2021 2022 2023 798,000 826,000 758,000 764,000 750,000 768,000 Pretax Accounting Income $234,000 308,000 276,000 248,000 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 25%. (Hint: You will find it helpful to prepare a schedule that shows the balances in service revenue receivable at December 31, 2020 2023.) Required: 1. to 3. Prepare the appropriate journal entries to record Alsup's 2021 income taxes, 2022 income taxes and 2023 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 whole dollars.)