Q$10.$ Which command calculates the body mass index $($BMI$)$ of characters in the starwars data.frame and stores the results in a new variable called BMI? $($Hint: BMI $=$ mass$/$height$^2$ where mass is in kg and height is in m$)$

A$.$ starwars $\%>\%$ mutate$($mass$*$height$^2)$

B$.$ BMI $<-$ starwars $\%>\%$ mutate$($mass$/($height$/100)^2)$

C$.$ starwars $\%>\%$ mutate$($BMI $=$ mass$/$height$^2)$

D$.$ starwars $\%>\%$ mutate$($BMI $=$ mass$/($height$/100))$

E$.$ starwars $\%>\%$ mutate$($BMI $=$ mass$/($height$/100)^2)$