In the economy of Valleyfair, in 2021, consumption was $3,000, exports were $200, GDP was $8,000, government purchases were $1,000, and imports were $600. What was Valleyfair's investment is 2021? O $3,200 $3,600 $3,800 O $4,400 QUESTION 27 In the language of economics, investment refers to O saving money purchase of new capital stock, such as equipment, machinery, and new factory construction the purchase of stocks, bonds, CDs, and mutual funds All of the above are correct. QUESTION 28 Frictional unemployment results from O seasonal changes in the business cycle that results in increases and decreases in the demand for labor at different times of the year. job searching and explains relative short periods of unemployment O a surplus of labor in some labor markets caused by wages being above the equilibrium wage rate O a shortage of labor in some labor markets caused by wages being below the equilibrium wage rate