Boundaries are a concept used in systems theory. select the example that does not describe the concept of boundaries as used within systems theory. select one: a. physically, your skin provides a boundary between you as an independent, living system and the external environment b. the limits regarding how much an infant should be fed between meals in order to stay healthy c. the definition of roles within an organization regarding who is to do what jobs d. characteristics of people that define who is in a group and who is not

Turrubiates corporation makes a product that uses a material with the following standards standard quantity 8.0 liters per unit standard price $2.50 per liter standard cost $20.00 per unit the company budgeted for production of 3,800 units in april, but actual production was 3,900 units. the company used 32,000 liters of direct material to produce this output. the company purchased 20,100 liters of the direct material at $2.6 per liter. the direct materials purchases variance is computed when the materials are purchased. the materials quantity variance for april is: