Ewing Company sells household furniture. Customers who purchase furniture on an installment basis make payments in equal monthly installments over a two-year period, with no down-payment required. Ewing's gross profit on installment sales equals 40% of the selling price of the furniture. For financial accounting purposes, sales revenue is recognized at the time the sale is made. For income tax purposes, however, the installment method is used. There are no other book and income tax accounting differences, and Ewing's income tax rate is 30%. If Ewing's December 31, 2017, balance sheet included a deferred tax liability of $450,000, arising from the difference between book and tax treatment of the installment sales, it should also have included installment accounts receivable of ________.

$3,750,000

$1,500,000

$1,125,000

$450,000