Joe would he equally happy recieving $$95$ today or $$100$ one year from today. Joe's friend mary would be happy recieving $$90$ today or $$100$ one year from today. Based on this info, which best decribes the difference between joe and mary?

A$.$ Joe has a higher rate of time preference than mary

B$.$ Mary has a higher rate of time preference than joe.

C$.$ Mary is poorer than joe

D$.$ Joe is older than mary.