which of the followings is considered as an inflow in the investing activities in the statement of cash flow

a. purchase of plant asset

b. proceeds from sale of plant asset

c. no answer is correct

d. gain on sale of a plant asset

which of the followings is considered as an outflow in the investing activities in the statement of cash flow

a. proceeds from sale of plant asset

b. purchase of plant asset

c. gain on sale of a plant asset

d. no answer is correct

Please please, I don't have enough time, help me