During the hiring process for a customer relationship manager at jocylles, a toy manufacturer, the applicants were given role-playing exercises in which they were asked to interact directly with a trained role player. this was designed to assess the communication and interpersonal skills of the candidates. in this scenario, which of the following selection tests did jocylles employ to hire a customer relationship manager?
a. biographical data surveys
b. assessment centers
c. personality quizzes
d. specific ability quizzes

Suppose that a paving company produces paved parking spaces (q) using a fixed quantity of land (t) and variable quantities of cement (c) and labor (l). the firm is currently paving 1,000 parking spaces. the firm's cost of cement is $3 comma 600.003,600.00 per acre covered (c) and its cost of labor is $35.0035.00/hour (w). for the quantities of c and l that the firm has chosen, mp subscript upper c baseline equals 60mpc=60 and mp subscript upper l baseline equals 7mpl=7. is this firm minimizing its cost of producing parking spaces?