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Question :

The ratio of the amount of money spent by Firm C on R&D in 2019 to that in 2023 is closest to

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Option D is the correct answer.

Explanatory Answer

The question is "The ratio of the amount of money spent by Firm C on R&D in 2019 to that in 2023 is closest to"

Answer:

Amount of money spent by any firm is proportional to areas on the firm’s PAT.

The amount of money spent by Firm C on R&D in 2019 = 2400 * π * 1.5 * 1.5.

The amount of money spent by Firm C on R&D in 2023 = 3000 * π * 1 * 1.

Ratio = (2400 * 1.5 * 1.5) / (3000 * 1 * 1) = 9 / 5.

Hence, the answer is '9 : 5'
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