Tesla, Inc. (TSLA) designs, manufactures, sells, and leases electric vehicles worldwide, including the Model 3 sedan and the Model Y sport utility vehicle (SUV). Tesla also develops and manufactures energy generation and storage products, including solar panels and batteries. Elon Musk is Tesla’s largest shareholder and is its chief executive officer.* Tesla, Inc., is organized into two reportable segments: (1) Automotive and (2) Energy Generation and Storage. Tesla reported the following segment data (in millions) in a recent annual report.

a. Compute the percentage change in revenues for each of the three years from the prior year.
Assume that the year preceding Year 1 had automotive sales of $10,643 and energy generation and storage sales of $1,116. Round to the nearest tenth of a percent.
b. Compute the gross profit percentage for each segment for each of the three years. Round to the nearest tenth of a percent.
c. Based on your answers to (a) and (b), analyze the segment performances. * Elon Musk is also the chief executive officer and chief technical officer of Space Exploration Technologies Corp. (X), or SpaceX, which develops and manufactures space launch vehicles.

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Segment Automotive: Revenues Gross profit Energy Generation and Storage: Revenues Gross profit Year 3 $29,542 6,612 $1,994 18 Year 2 $23,047 3,879 $1,531 190 Year 1 $19,906 3,852 $1,555 190