Refer to the data provided in Table 10.3 below to answer the following question(s). 
 Table 10.3 Refer to Table 10.3. Diminishing returns to labor start with the ________ worker.

The circular flow of income assumes that

A) the national income accounting approach is not an adequate way to measure the economy's performance. B) profit is not a cost of production. C) goods and services flow in one direction and money payments flow in the other. D) total income is the sum of the value of intermediate goods and final goods and services.

Which of the following statements is TRUE?

A) A Cobb-Douglas production function can have different returns to scale at different output levels. B) It is impossible to have increasing returns to scale for one output level, and decreasing returns to scale for a different output level. C) It is possible to have increasing returns to scale for one output level, and decreasing returns to scale for a different output level. D) None of the above.