Time left $2$:$20$:$42$

$\backslash$table$[[,$A$,$B$,$C$,$D$,$E$,$F$],[1,,$Activity $1,$Activity $2,,,],[2,$Unit Cost,$$15,$$$20,,,],[3,,,,,,],[4,$Benefit,Contribution per Unit,Totals,,Needed,$],[5,$A$,1,2,10,,10],[6,$B$,2,3,16,,6],[7,,,1,6,,6],[8,,1,,,,],[9,,$Activity $1,$Activity $2,,,$Total Cost$],[10,$Solution,$2,4,,,$$$110]]$

Where are the $($parameters$)$ data cells located?

a$.$ None of the above.

b$.B2$:$C2,B5$:$C7,$ and $F5$:$F7.$

c$.$ F$10.$

d$.B2$:$C2.$

e$.B10$:$C10.$