please answer these accounting questions for me

15. Which of the following are benefits of an effective document retention policy to a small business? 1)To ensure all documents are stored forever 2)To meet legal and tax requirements for business 3)To mitigate risks arising from internal and external disputes of the business 5) To increase operational efficiency and maintain control over costs a) 1 and 3 only b) 2,3 and 4 only c) 1.2 and 4 only d) 1.2 .3 and 4 16. Hywel purchases goods on credit with a list price of S100. The supplier gives Hywel a trade discount of 15% and also offers a cash discount of 10% for payment within 30 days. What is the amount that Hywel will debit to his purchases account? a) $115.00 b) $85.00 c) $76.50 d) $75.00 17. Which of the following are valid reasons for keeping a payable's ledger control account? 1. To obtain a figure for payables to be included in the statement of financial position 2. To assist in the location of errors 3. The check the accuracy of entries made in personal accounts a) I and 2 only b) 2 and 3 only c) 1,2 and 3 d) 1 and 3 only 18. A credit sale of goods for $51 to J Davis was entered in the accounts as $15 What type of error has occurred? a)Compensating error b) Error of omission c) Error of principle d) Error of transposition 19. Which of the following represents the correct imprest amount in the imprest petty cash system a) Notes and coins in the cash box - vouchers for payments - IOUs B)Notes and coins in the cash box + vouchers for payments - IOUs C)Notes and coins in the cash box - vouchers for payments + IOUs d) Notes and coins in the cash box + vouchers for payments + IOUs 20.Which of the following statements are true about a good coding system for financial transactions? 1. It enables a company to easily extract data for management analysis. 2. It provides a unique code for each item within the system. 3. It provides codes that are uniform in format. 4. It requires management authorization before creation of new codes. A)I and 2 only b) 3 and 4 only c) 2,3 and 4 only d) 1,2,3 and 4