If Claudette gets a permanent increase in her income of $1000 per year, she saves an extra $200 this year and consumes an extra $800 this year. If the increase in income had been temporary instead of permanent, she would have saved ________ of the extra income.

A. exactly $200

B. less than $200

C. more than $200

D. none

The answer is C, but I don't know how to solve it. Could you help me, please?