A company can rent one of two copying machines. The first costs $34 a month to rent and costs an additional 2 cents per copy to use. The second costs $107 a month to rent and an additional 1 cent per copy to use. How many copies would the company need to make per month in order for it to be worthwhile to rent the second machine?
选项：

A:7300
B:13300
C:12400
D:6900