Riverbed Corporation had the following activities in $2025.$

Sale of land $$168,000.$

Purchase of inventory $$780,000.$

Purchase of equipment $$413,000.$

Issuance of common stock $$331,000.$

Purchase of treasury stock $$67,000.$

Purchase of available$-$for$-$sale debt securities $$60,000.$

Compute the amount Riverbed should report as net cash provided $($used$)$ by investing activities in its $2025$ statement of cash flows.

$($Show amounts that decrease cash flow with either a $-$ sign e$.$g$.-15,000$ or in parenthesis e$.$g$.(15,000).)$

Net cash $$ by investing activities $