What Happens When Two Blocks, One Nested Inside of the Other

question 47

Multiple Choice

What happens when two blocks, one nested inside of the other, both declare variables with the same identifier? (Assume that the outer block declares its variable before the opening left-brace of the inner block.)

• A) A syntax error occurs.
• B) The "outer" variable is hidden while the "inner" variable is in scope.
• C) The "outer" variable is irretrievably lost when the "inner" variable is declared.
• D) The "inner" declaration is ignored and the "outer" variable has scope even inside the inner block.

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Definitions:

Producer Surplus

The variation between the price that sellers expect to receive for a product or service and the actual price they end up getting.

Consumer Surplus

The difference between the maximum amount that consumers are willing to pay for a good or service and the amount they actually pay.

Consumer Surplus

The benefit obtained by consumers because they are able to purchase a product for a price that is less than the maximum price that they are willing to pay.

Equilibrium Price

The rate at which the amount of products offered matches the amount of products consumers want.