Koosharem Company had pretax financial accounting income of $$24,000$ during $20$X$2.$ Koosharem's only temporary difference for $20$X$2$ relates to a sale made in $20$X$1$ and recognized for accounting purposes at that time. However, Koosharem uses the installment sales method of revenue recognition for tax purposes; under this method, taxable income is recognized as cash is collected. During $20$X$2$ Koosharem collected a receivable from the $20$X$1$ sale which resulted in $$6,000$ of taxable income under the installment sales method.

What is Koosharem$$s taxable income for $20$X$2?$

$$6,000$

$$24,000$

$$18,000$

$$30,000$