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 pre tax accounting income

2017	$	688,000		$	653,000		$	220,000
2018		780,000			795,000			285,000
2019		745,000			715,000			255,000
2020		730,000			760,000			235,000

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.