(15) There are man}r different ways the Commonwealth of Virginia could reduce the loss of life. Among them are highway improvements (e.g., going to four-lane roadways, or installing guard barriers, or ashing lights), improving public health (e.g., pre and post- natal counseling, nutrition and support), cleaning up the water and air, reducing smoking, increasing vaccinations for a variety of diseases, graduating more nurses, etc. The possibilities are almost endless, and each possibility carries with it different costs and benefits. (a) 1What is the most economically rationale way for Virginia to make these decisions? (b) What value should the Commonwealth place on a \"saved life\" and why