How much greater is the area of rectangle b than rectangle a? Formula: Area = b(h) or Area = length x width

The area of rectangle a is
ft2
The area of rectangle b is
ft2
Rectangle b is greater than rectangle a by
ft2

The ivring berlin learning center would like a possible net profit of $650,000 on its new resource manual it sells to schools. the fixed costs for producing the manual are $780,000 and the variable cost per package is $19.85. if the estimated unit sales are 1,250,000 units, what selling price unit should the ivring berlin learning center try?