Fosters Manufacturing Co. warrants its products for one year. The estimated product warranty is 5% of sales. Assume that sales were $359,000 for January. On February 7 , a customer received warranty repairs requiring $240 of parts and $80 of labor. a. Journalize the adjusting entry required at January 31 , the end of the first month of the current fiscal year, to record the accrued product warranty. If an amount box does not require an entry, leave it blank