At the end of 2020, Solar Energy had total assets of $17.5 billion and total liabilities of $9.2 billion. Included among the assets were property, plant, and equipment with a cost of $4.7 billion and accumulated depreciation of $2.4 billion. Solar Energy completed the following selected transactions during 2021: The company earned total revenues of $27.1 billion and incurred total expenses of $21.3 billion, which included depreciation of $1.9 billion. During the year, Solar Energy paid $1 billion for new property, plant, and equipment and sold old plant assets for $0.3 billion. The cost of the assets sold was $1.1 billion, and their accumulated depreciation was $0.7 billion. Requirement 1. Explain how to determine whether Solar Energy had a gain or loss on the sale of old plant assets during the year. What was the amount of the gain or loss, if any? Start by selecting the formula, then enter the amounts to calculate the gain or loss, if any. (Enter amounts in billions as provided in the problem statement. Use a minus sign or parentheses for a loss.) Sales proceeds 27.1 Book value = Gain (Loss) on sale Requirement 2. Show how Solar Energy would report property, plant, and equipment on the balance sheet at December 31, 2021, after all the year's activity. What was the book value of property, plant, and equipment? (Enter amounts in billions as provided in the problem statement.) Balance sheet at December 31, 2021: All amounts in billions Less: What was the book value of property, plant, and equipment? The book value of property, plant, and equipment was billion. Requirement 3. Show how Solar Energy would report its operating activities and investing activities on its statement of cash flows for 2021. Ignore gains and losses. Begin by showing how Solar Energy would report its operating activities on its statement of cash flows for 2021, ignoring gains and losses. (Enter amounts in billions as provided in the problem statement.) Statement of cash flows for 2021: All amounts in billions Cash Flows from Operating Activities: Lastly, show how Solar Energy would report its investing activities on the statement of cash flows for 2021. (Enter amounts in billions as provided in the problem statement. Use parentheses or a minus sign for numbers to be subtracted.) Cash Flows from Investing Activities