$1)$ RosE had receivables of $$498600$ at $30$ November $2012.$ Hee allowance for receivables at $3$ December $2011$ was $$10560$ and she decided to change that to $2\%$ of receivables at $30$ November. On $29$ November $2012$ she received $$870$ in full settleesent of s debt that she had written off in the year ended $30$ november $2011.$

What amount should be recognised with respect to receivables in the statement of profit or loss for the year ended $30$ november $2012?$