When Disney's Magic Kingdom in Orlando, Florida, opened in $1971,$ the price of admission was $$3\mathrm{.}50$ per day. In $2020,$ the ticket price was $$109$ per day.

Instructions: In parts a and c$,$ enter your responses as a percentage rounded to the nearest whole number. In part b$,$ round your response to two decimal places.

a$.$ By how much did the nominal price of a Disney ticket increase from $1971$ to $2020?$

$\%$

b$.$ The CPI index was $40\mathrm{.}5$ in $1971$ and $261$ in $2020.$ What was the $1971$ price in $2020$ dollars?

$$,\%$

c$.$ By how much did the real price of a ticket increase from $1971$ to $2020?$

$\%$