During the fiscal year that just ended, Okada Corporation had an unrealized holding gain or $125,000 on one of its debt investments. If Okada classified this investment as a trading investment, then it should A : add the amount of the gain to its net income when computing its net cash flow from investing activities. B : add the amount of the gain to its net income when computing its net cash flow from operating activities. C : deduct the amount of the gain from its net income when computing its net cash flow from operating activities. D : deduct the amount of the gain from its net income when computing its net cash flow from investing activities.