Answer:
d. $ 25,000.
Step-by-step explanation:
All the cash flows related to the fixed asset is called cash flows from the investing activities. Cash inflows from the sale fixed asset and cash outflows from the purchase of fixed assets are included in it.
Purchase of Corp Bond ($275,000)
Proceeds from sale of Machinery $300,000
Cash flow from investing Activities $25,000
Other value are cash flows from financing activities and non cash transactions.