If the Price Index Is P₁ in Year 1 and P₂

question 18

Multiple Choice

If the price index is P₁ in year 1 and P₂ in year 3, the average inflation rate per year over this period is calculated as

• A)[(P₂ - P₁)/P₁] x [100/2]
• B)[(P₁ - P₂)/P₂] x [100/2]
• C)[(P₁ - P₂)/P₂] x 100
• D)[(P₂ - P₁)/P₁] x 100
• E)(P₂ - P₁)x (100/2)

---

Definitions:

Refractory Period

A period immediately following an action (like a nerve impulse) during which a cell or organ cannot repeat that action, which in human sexuality refers to a recovery phase after orgasm during which it is physiologically impossible for a man to have additional orgasms.

Excitement Stage

The excitement stage is the initial phase in the sexual response cycle where physical and emotional sensations of arousal are heightened.

Sexual Response Cycle

A model that describes the sequence of physical and emotional changes that occur as a person becomes sexually aroused and participates in sexually stimulating activities, including phases such as excitement, plateau, orgasm, and resolution.

Masters and Johnson

Two pioneering sex researchers who conducted important research into the nature of human sexual response and sexual disorders.