For the year ended December $31,2021,$ Finco Incorporated reported earnings per share of $$1\mathrm{.}80.$

a$.$ During $2022,$ the company had a $3-$for$-1$ stock split. Calculate the $2021$ earnings per share that will be reported in Finco's $2022$ annual report for comparative purposes.

b$.$ During $2023,$ Finco had an additional $2-$for$-1$ stock split. Calculate the $2021$ earnings per share that will be reported in Finco's $2023$ annual report for comparative purposes.

c$.$ Assume that Finco had issued a $10\%$ stock dividend in $2022$ and did not have a stock split. Calculate the $2021$ earnings per share that will be reported in Finco's $2022$ annual report for comparative purposes.