A person with a mass of 75kg and a height of 1.83m is exercising. In 1.5 hours of exercise, they burn 260L of oxygen. What is the metabolic rate of their activity?
A. 427 Cal/hr m2
B. 197 Cal/hr m2
C. 361 Cal/hr m2
D. 511 Cal/hr m2
E. 482 Cal/hr m2
F. 631 Cal/hr m2