Answer:
-$48,000
Step-by-step explanation:
The computation of the amount of net cash provided or used by investing activities is shown below:
Cash flow from Investing Activity
Proceeds from the sale of used production machinery $29,000
Loaned cash to key supplier -$26,000
Brought new delivery truck for cash -$51,000
Net cash used by investing activities -$48,000
The negative sign represents the outflow of cash while the positive sign represents the inflow of cash