The balance sheet and income statement shown below are for KoKo Inc. Note that the firm has no amortization charges, it does not lease any assets, none of its debt must be retired during the next 5 years, and the notes payable will be rolled over. 4) What is the firm's net profit margin? \begin{tabular}{|l|l|l|l|l|l|l|} \hline \\ \hline \end{tabular} 5) What is the firm's return on invested capital (ROIC)? Review the ROIC discussed in Chapter 2