On Tony’s map, the distance from Saint John, NB to St. John’s, NL is 21\:cm. The actual distance between these two cities is 1050\:km. What is the scale of Tony’s map?

**Answer Choices**

A. 1:50\:000

B. 1:200\:000

C. 1:500\:000

D. 1:2\:000\:000

E. 1:5\:000\:000