Indicate which sentence has correct AP style for numerals. Group of answer choices A. The plant will form part of a countrywide solar energy grid with a capacity of 2,000 megawatts by "20. B. The plant will form part of a countrywide solar energy grid with a capacity of 2,000 megawatts by 2020. C. The plant will form part of a countrywide solar energy grid with a capacity of two thousand megawatts by 2020