9. Foster, Harvey, and Morton—a copartnership—wish to change their method of bookkeeping from single to double entry. The partnership agreement provides that each partner shall share in the profits in proportion to his investment. Separate investment and withdrawal accounts have been kept with each partner. In the following statement of ledger accounts, partners' investment accounts show the same balances as at the last adjustment, no additional investments having been made: Foster, Investment Credit Balance $1,600.00 Harvey, Investment Credit Balance 1,200.00 Morton, Investment Credit Balance 1,200.00 Personal Accounts Credit Balance 900.00 Personal Accounts Debit Balance 1,900.00 Foster, Withdrawals Debit Balance 315.00 Harvey, Withdrawals Debit Balance 240.00 Morton, Withdrawals Debit Balance 155.00 Bank Debit Balance 2,050.00 Cash in Office 45.00 An inventory shows merchandise $1,775.00, fixtures $300.00. Show all entries necessary to make the partnership adjustment and change the books to double entry, indicating by check √ the accounts to be posted. 10. The books of the Star Coal Company, a corporation with a paid-up capital of $10,000.00, have been kept by single entry. The following facts are gathered from the books: Cash in Bank $3,500.00 Personal Accounts Debit Balances 6,500.00 Cash in Office 200.00 Personal Accounts Credit Balances 2,500.00 An inventory results as follows: Coal 3,750.00 Horses and Wagons 800.00 Furniture and Fixtures 300.00 Make necessary journal entries to change to double entry. Provide a reserve of 5% for uncollectible accounts, 10% for depreciation of horses and wagons, 10% for depreciation of furniture and fixtures. Declare a dividend of 10% and transfer balance of profits to surplus, making all journal entries to record these transactions. 11. Prepare a model trial balance of an imaginary business, or one with which you are familiar, giving special attention to the proper grouping of the accounts. Explain the benefits of your grouping of the accounts. 12. What is a _working balance sheet_? From the trial balance, which you have prepared, make up a working balance sheet, supplying such additional figures as may be necessary. 13. What are the fundamental advantages of comparative statements? On what basis should percentages be figured in on analysis of the manufacturing account? of the trading account? 14. To prove the accuracy of the ledger without a trial balance, what steps are necessary? What test is applied to determine whether the ledger balances?