Part 4a. Calculate Sea Shell company's return on assets (ROA) for 2017. Total assets at the beginning of 2017 was $267,400. Part 4b. Explain if Sea Shell is making productive use of its assets. Sea Shell's ROA for 2016 was 4.5% and the industry average was 3.8% in 2016 and 4.9% in 2017. Hints for planning your solutions: A. 0.05:1 .Tll'l'l Prepare journal entries to close the expense accounts to Income Summary (second closing entry), to close Income Summary to the capital account (third closing entry), and to close the withdrawals account to the capital account (fourth closing entry). Create a T-Account* for the Income Summary account. Create a T-Account* for the Capital account. . Post the rst and second closing entries to the Income Summary T- Account. Examine the balance of income Summary and verify that it agrees with the net income shown on the worksheet provided on page 1 (Note that Net Income is $15,100) Post the third and fourth closing entries to the Capital T-Account. Use the information in the balance sheet and statement of owner's equity columns in the worksheet and your answer for Part 2 above to prepare the missing nancial statements