At 1 January 20X1, there was an allowance for receivables of $3,000. During the year, $1,000 of debts were written off as irrecoverable, and $800 of debts previously written off were recovered. At 31 December 20X1, it was decided to adjust the allowance for receivables to 5% of receivables which are $20,000.What is the total receivables expense for the year?