In $2020$ and $2021$ Mantel Limited paid a $$0\mathrm{.}50$ dividend to its shareholders. Looking forward to

a post COVID environment, it plans to pay $$0\mathrm{.}60$ in $2022,$ before increasing to $$0\mathrm{.}70$ in $2023,$

following on dividends will grow indefinitely at $5\%$ per annum. If the required return is $7\%,$

what is the fair value of Mantel Limited shares today $($i$.$e$.,$ in $2021)?$