Refer to the PPC below to answer the question that follows. Time left 0:15 Which one of the following statements is correct? HATS 30 15 5 8 9 10 15 COATS Select one: 0 a. The shift of PPC R - Z to PPC R - H was made possible due to on improvement in the technology to produce coats. O b. The shift of PPC R - Z to PPC R - H was made possible due to on improvement in the technology to produce hots. O c. The shift of PPC R - Z to PPC R - H was made possible due to an increase in the number of resources. 0 d. The shift of PPC R - Z to PPC R - H can be described as economic growth. 0 e. The shift of PPC R - Z to PPC R - H results in point K becoming unattainable