Which Option Should Joan Choose in Order to Maximize Income

Which option should Joan choose in order to maximize income assuming there is a 40% probability that 70 units will be sold and a 60% probability that 40 units will be sold?

A) Option one with expected operating income of $1,200
B) Option two with expected operating income of $1,810
C) Option three with expected operating income of $3,640
D) Option three with expected operating income of $4,160
E) Option two with expected operating income of $4,060