Mary Is Fascinated with Rocks and She Collects Them Every

Multiple Choice

Mary is fascinated with rocks and she collects them every day at the park. To start off with (i.e. when N=0 ) , Mary has 46 rocks in her collection. Each day, Mary will add 21 new rocks to her collection. After 99 days of adding rocks, how many rocks in total will Mary have?

A) 2125
B) 2234
C) 2456
D) 2649
E) None of the above.