On July 31^st of the Current Year Bridges Industries Issued

On July 31^st of the current year Bridges Industries issued $80,000 of bonds payable.The $80,000 was used to purchase $30,000 of equipment and $50,000 to purchase stock in another company.How will these transactions be reported in the statement of cash flows? $$\begin{array} { | l | l | l | l | } \hline & \text { Operating Section } & \text { Investing Section } & \text { Financing Section } \\\hline \text { a. } & \$ 0 & \$ 30,000 \text { use } & \$ 80,000 \text { source/ } \$ 50,000 \text { use } \\\hline \text { b. } & \$ 50,000 \text { use } & \$ 30,000 \text { use } & \$ 80,000 \text { source } \\\hline \text { c. } & \$ 0 & \$ 30,000 \text { use/\$50,000 use } & \$ 80,000 \text { source } \\\hline \text { d. } & \$ 0 & \$ 30,000 \text { use } & \$ 80,000 \text { source }/ \$ 50,000 \text { use } \\\hline\end{array}$$