During a year, a company purchased $450,000 of plant assets. The company also sold for $70,000 plant assets that originally cost $300,000 and had $250,000 of accumulated depreciation at the time of the sale. What amounts are presented in the investing activities section of the statement of cash flows to reflect these transactions?\ \ Multiple choice question.\ \ positive cash flows from the sale of $70,000 and negative cash flows from the purchase of $450,000\ \ \ positive cash flows from the gain on the sale of $20,000 and negative cash flows from the purchase of $450,000\ \ \ negative cash flows from the sale of $50,000 and negative cash flows from the purchase of $450,000