Marginal utility can fall even as total utility from the consumption of a good is rising

Which of the following individuals is a supplier of loanable funds in the economy?

a. Sam, a software developer, who uses his saving to buy a share of his company every three months b. Joe, a cab driver, who keeps his income as cash inside a locker in his house c. Lina, a hair stylist, who spends her income to buy new cosmetics for her parlor d. Moe, a farmer, who spends his income to buy food for homeless people

Changes in both physical and human capital affect a nation's ability to produce goods and services

a. True b. False Indicate whether the statement is true or false