Answer:
b. $ 500,000
Step-by-step explanation:
The computation of the net cash used in investing activities is shown below:
Cash flow from investing activities
Purchased real estate -$1,250,000
Purchased machinery and equipment -$250,000
Sold available-for-sale securities for $1,000,000
Net cash used by investing activities -$500,000
The negative sign represents the cash outflow and the positive sign represents the cash inflow and the same is to be considered