Refer to the information provided in Figure 7.4 below to answer the question(s) that follow. 
Figure 7.4
-Refer to Figure 7.4. The marginal product of the fourth worker is
Definitions:
Semi-Fowler Position
A way of sitting or lying down where the patient is partially elevated, usually at a 30 to 45 degree angle, often to aid in breathing or digestion.
Turbulent Blood Flow
The disorderly flow of blood, characterized by whirls and eddies, typically occurring in areas of high flow velocity or with irregularities in the vessel wall.
Partial Occlusion
A condition where a passage in the body is not completely blocked but narrowed, causing restricted flow of substances or fluids.
Femoral Arteries
Major blood vessels in the thighs that supply blood to the lower limbs.
Q17: Refer to Scenario 9.3. Total revenue per
Q23: Refer to Table 9.1. If the market
Q46: If a perfectly competitive firm operates in
Q63: Refer to Figure 4.5. Assume that initially
Q77: A government wants to reduce electricity consumption
Q82: Assuming the properties of normal indifference curves,
Q114: Refer to Figure 6.1. Assume Tom's budget
Q123: Refer to Scenario 7.2. During the year
Q137: The rising part of a perfectly competitive
Q164: Refer to Table 8.3. If the firm