All other things being equal, if you've set a maximum CPC bid of $1.00 for your ads, and if the next most competitive bid is $0.50 for the same ad position, what is the actual amount you'd pay for that click?

All other things being equal, if you've set a maximum CPC bid of $1.00 for your ads, and if the next most competitive bid is $0.50 for the same ad position, what is the actual amount you'd pay for that click?

A) 1.01
B) 0.5
C) 0.51
D) 1

Answer - 0.51