Over the past $6$ years, Elk County Telephone has paid the dividends shown in the following table. The firm's dividend per share in $2023$ is expected to be $$5\mathrm{.}97.$

A$.$If you can earn $13\%$ on similar$-$risk investments, what is the most you would be willing to pay per share in $2022,$ just after the $$5\mathrm{.}80$ dividend?

B$.$If you can earn only $10\%$ on similar$-$risk investments, what is the most you would be willing to pay per share?

C$.$Compare your findings in parts a and b$,$ what is the impact of changing risk on share value?