I've attached 2 photos for my Intro to Accounting course. The question I'm working on is P4.6B. Thank you for your help

4-60 CHAPTER 4 Completion of the Accounting Cycle 4. Nazari Electrical Services has an investment in bonds that it intends to hold to earn interest until the bonds mature in 10 years. The bonds have an interest rate of 4% and pay interest on March 1 and September 1 each year. 5. Accrued salaries payable at August 31, 2021, were $1,850. 6. Interest on the 5% note payable is payable at the end of each month and $8,000 of the principal must be paid on December 31 each year. Interest payments are up to date as at August 31, 2021. 7. The owner, A. Nazari, invested $3,000 cash in the business on December 29, 2020. (Note: This has been correctly recorded.) Instructions a. Prepare the adjusting entries and an adjusted trial balance. b. Calculate profit or loss for the year. c. Prepare a statement of owner's equity and a classified balance sheet. d. Prepare the closing entries. Using T accounts, post to the Income Summary, and Owner's Drawings and Owner's Capital accounts. Compare the ending balance in the Owner's Capital account with the information in the statement of owner's equity. Taking It Further Why do you need to know the amount the owner invested in the business this year if it has been correctly recorded? Analyze errors and prepare corrections. P4.7B (LO 2) AP Ilana Mathers, CPA, was hired by Interactive Computer Installations to prepare its financial statements for March 2021. Using all the ledger balances in the owner's records, Ilana put to- gether the following trial balance: INTERACTIVE COMPUTER INSTALLATIONS Trial Balance March 31, 2021 Debit Credit Cash $ 6,680 Accounts receivable 3,850 Supplies 5,900 Equipment 12,620 Accumulated depreciation-equipment $ 6,000 Accounts payable 5,330 Salaries payable 2,250 Unearned revenue 4,955 M. Hubert, capital 15,375 Service revenue 7,80 Utilities expense 3,360 Salaries expense 4,800 Totals $39,460 $39,460 Ilana then reviewed the records and found the following items: 1. The purchase on account of equipment for $5,100 on March 1 was recorded as a debit to Supplies and a credit to Accounts Payable, both for $5,200. 2. March rent of $2,050 was paid on March 2. The company recorded this as a debit to Utilities Expense and a credit to Cash, both for $2,050. 3. Cash of $1,735 was received from a customer on account. It was recorded as a debit to Cash and a credit to Service Revenue, both for $1,735. 4. A payment of a $575 account payable was entered as a debit to Cash and a credit to Accounts Receivable, both for $575. 5. The first salary payment made in March was for $3,000, which included $750 of salaries payable on February 28. The payment was recorded as a debit to Salaries Payable of $3,000 and a credit to Cash of $3,000. (No reversing entries were made on March 1.) 6. The owner, Maurice Hubert, paid himself $1,800 and recorded this as salaries expense. 7. The depreciation expense for the month of March has not been recorded. All of the company's equipment is expected to have a five-year useful life