During its $2023$ fiscal period, Leslie's Boutique, a sole proprietorship, wrote off $$13,000$ in bad debts. At the end of its $2023$ fiscal period the accounts receivable balance was $$256,400.$ Based on past experience, it is expected that $4\%$ of these accounts will prove uncollectible. A detailed analysis of $2023$ receivables applying the approach acceptable to the CRA results in a doubtful debt reserve of $$8,780.$ In its $2022$ fiscal period, Leslie's Boutique had claimed a reserve for doubtful debts of $$12,300.$ By what amount will the business income of Leslie's Boutique for the $2023$ fiscal period be increased or decreased as a result of these accounts receivables events and transactions?