Which of the following is irrelevant when making a decision?
a. the expected increase in a contribution margin of one product line as a result of a decision to discontinue a separate unprofitable product line.
b. fixed overhead costs that differ among alternatives.
c. the cost of further processing a product that could be sold as-is.
d. the cost of an asset that the company is considering replacing.

Rick is a toddler with an easy temperament and active nature. people are often seen stopping to talk to him in supermarkets and parks where his mother takes him in the evenings because he smiles willingly at other children and adults. this aspect of rick’s behavior most likely reflects a(n) active genotype–environment interaction suppressive genotype-environment interaction passive genotype–environment interaction evocative genotype–environment interaction