The 2010 Financial Statements of Companies Y and Z Showed

The 2010 financial statements of Companies Y and Z showed the following:


$$\begin{array}{l}\begin{array} { l }\underline { \text { Item } } \\\text { Net sales revenue } \\\text { Profit margin }\\\text { Total average assets }\\\text { Financial leverage percentage } \\\text { Interest expense (net of tax) }\end{array}\begin{array} { l } \quad \quad \quad\underline { \text { Company } } \\\underline{\underline{Y}} & \underline{Z} \\\$ 150,000 & \$ 200,000 \\6 \% & 5 \% \\\$ 40,000 & \$ 80,000 \\+4 \% & +3 \% \\\$ 1,000 & \$ 800\end{array}\end{array}$$

Part A:
For each company,calculate the items listed in the following tabulation. Part B:
Assuming both Company Y and Company Z are in the same industry,which company (Y or Z)appears to be the better investment and why?