1.the temperature was 80∘f and then fell 20∘f. 2.the temperature was -13∘f and then rose 9∘f. 3.the temperature was -5∘f and then fell 8∘f.

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?