With an inventory as shown in the table, how many assembly E's should be produced or purchased to produce 15 product X's with this product structure tree?

Roland has developed and patented an inexpensive and organic way to enhance the fertility of clay soils without the addition of chemical fertilizers. But established agricultural chemical companies have rejected his proposals. After six months of promoting his invention during his time off from his regular job, Roland has decided to set his dream aside. Roland lacks a key characteristic of successful entrepreneurs, which is

a. the ability to identify opportunities. b. a corporate sponsor. c. financial slack. d. passion for his invention.

Which of the following statements is true of industrial economies?

A) They export their goods to other types of economies for raw materials. B) They have a declining middle class population. C) They depend on agriculture as the primary revenue generator. D) They do not trade goods amongst themselves. E) They consume most of their output and barter the rest for simple goods and services.