PRINCIPLES OF MACROECONOMICS (BSE 202)Problems Chapters 6,7,81.Growth promotion through capital deepening is constrained due to: a. Slow population growth.b. The principle of opportunity cost.c. The principle of diminishing returns.d. The income effect.3.Which of the following people would not be counted in the labor force?4.Consider an economy with an adult population of 100, 50 of whom hold jobs, 10 ofwhom are looking for work, and 15 of whom are retired. The labor force participationrate is thenSuppose U = the number of adults currently unemployed; E = the number of adults currentlyemployed; and NL=the number of adults not in the labor force.