Which of the following is an example of how the principle of beneficence can be applied to a study employing human subjects?
a. providing detailed information about the study and obtaining the subject's consent to participate.
b. determining that the study has a maximization of benefits and a minimization of risks.
c. ensuring that the selection of subjects includes people from all segments of the population.
d. ensuring that persons with diminished autonomy are protected.

Turtle corporation produces and sells a single product. data concerning that product appear below: per unit percent of sales selling price $ 150 100 % variable expenses 75 50 % contribution margin $ 75 50 % the company is currently selling 5,600 units per month. fixed expenses are $194,000 per month. the marketing manager believes that a $5,300 increase in the monthly advertising budget would result in a 190 unit increase in monthly sales. what should be the overall effect on the company's monthly net operating income of this change?