$\"\"$

\

(a)

\

The profit per cases is

\

$\"\"$

\

The last column of the second table is

\

$\"\"$

\

$\"\"$

\

(b)

\

Find which class has highest total sales.

\

Total sales represent the matrix table $\"\"$ multiplied by the $\"\"$ column of the table $\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$ .

\

The column represents freshman, sophomore, junior and senior.

\

Juniors class had highest total sales of $\"\"$ $.

\

$\"\"$

\

(c)

\

Find how much profit is earned by seniors when compared to sophomores.

\

Find the total sales represent the matrix table $\"\"$ multiplied by the $\"\"$ column of the table $\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

Profit earned by seniors when compared to sophomores : $\"\"$

\

Profit earned by seniors when compared to sophomores is $\"\"$ .

\

$\"\"$

\

(a)

\

The last column of the second table is

\

$\"\"$

\

(b) Juniors class had highest total sales of $\"\"$ $.

\

(c) Profit earned by seniors when compared to sophomores is $\"\"$ .