The production possibility frontier would not be prolonged by: (i) The Pilgrim’s increasing utilization of fertilizer after Native Americans exhibited them that corn grows better when a rotten fish is planted all along with seeds. (ii) Vandalism which stimulated employment since of required repairs and rebuilding. (iii) New brighter light bulb filaments which need less electricity. (iv) Henry Ford’s growth of an assembly line. (v) UNC doctors discovering the gene therapies which decrease the probability of death or crippling illnesses afterward in life.
Find out the right answer from the above options.