The domain of the following relation r {(3, −2), (1, 2), (−1, −4), (−1, 2)} is (1 point) {−1, 1, 3} {−1, −1, 1, 3} {−4, −2, 2, 2} {−4, −2, 2}

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?