The following information was extracted from the books of Salih Shop. 1 Jan 2018 31 Dec 2018 RM RM Inventory 5,665 5,880 Account Receivable 4,080 5,115 Account Payable 3,775 4,120 Accrued Commission Received 105 160 Prepaid Insurance 120 180 Accrued Salary 390 450 Cash Book (Summary for the year ended 2018) Receivable RM Payment RM Balance b/d 1,155 Account Payable 6,880 Account Receivable 10,090 Purchases 3,450 Sales 7,225 Salary 4,115 Commission 570 Insurance 525 Bad Debt Recovered 100 General Expenses 660 Rent 1,200 Additional Information 1. On 31 May 2009, Salih Shop returned goods at RM280 to its supplier while its customer had returned goods at RM315 2. Discount received from supplier was RM460 and discount allowed to customer was RM395 3. Bad debt of RM220 was not recorded in any books 4. Encik Salih made drawings of RM500 in the form of goods for his family use. Required: a) Total sales b) Total Purchase c) Total Commission Income d) Total Insurance Expenses e) Total Salary Expenses (