Johnson, Inc. paid/collected during 2017 the following items:

Insurance premiums paid $25,800

insurance collected. $62,800

salaries paid. 260,400

the following balances have been excerpted from Johnson's balance sheets:

December 31, 2017 December 31, 2016

prepaid insurance. 2,400 $3,000

interest receivable. 7,400. 5,800

salaries and wages payable. 24,600. 21,200

What is the interest revenue on the income statement for 2017 ?