1.
The annual amount that a borrower must pay a lender over an above the total borrowed ?

2.
The implicit change in real income resulting from the effects of a change in a commodity’s price on quantity demand?

3.
The responsiveness of the quantity demand of a commodity to change in the consumer’s income, measured by the proportionate change in quantity divided by the proportionate change in income ?

4.
The currency of a major industrial country, such as the U.S dollar___________________?

5.
An index measuring national socioeconomic development based on measures of life expectancy at birth, educational attainment and adjusted per capital income ?