$(4$ points$)$ A US Five$-$Dollar note printed in $1961$ is worth exactly $\_\_\_\_\_\_\_\_$ dollars today. In $1961,$ one US dollar bought $\_\_\_\_\_\_\_\_\_\_\_\_$ goods and$/$or services than that same exact dollar buys today. The amount of goods and$/$or services that a currency can buy is referred to as its $\_\_\_\_\_\_\_\_\_\_\_\_\_\_$ power. Over time, $\_\_\_\_\_\_\_\_\_\_\_\_\_$ is the phenomenon most often attributed to the erosion of this power.