ANSWER ALL THE QUESTIONS

Please include all work if needed. This will help my understanding in the future.

Table $8-21$

$\backslash$table$[[2013,2017,2018,],[$Product$,$Quantity,Price,Quantity,Price,Quantity,Price$],[$MP$3$s$,40,$$$250\mathrm{.}00,45,$$$200\mathrm{.}00,50,$$$150\mathrm{.}00$