Suppose the central bank in a closed economy, that is currently in a long$-$run macroeconomic equilibrium, decreases the interest paid

on reserves. What happens to prices and unemployment in the long$-$run?

Prices remain unchanged, while unemployment increases.

Prices remain unchanged, while remains unchanged.

Prices decrease, while unemployment remains unchanged.

Prices decrease, and unemployment increases.

Prices increase, and unemployment remains unchanged.