John's Estimated Energy Expenditure at 25 Years of Age Was

John's estimated energy expenditure at 25 years of age was 2 900 kilocalories per day. John is now 68 years old. Approximately what would be his estimated total daily energy expenditure assuming he follow the expected pattern?

A) 2 420 kilocalories/day
B) 2 470 kilocalories/day
C) 2 564 kilocalories/day
D) 2 599 kilocalories/day