Earlton Inc. began operations in $2023.$ Due to the untimely death of its founder, Earl Davies, the company was wound up in $2025.$ The following table provides information on Earlton's income over the three years:

The statutory income tax rate remained at $30\%$ throughout the three years.

Required:

a$.$ For each year and for the three years combined, compute the following:

i$.$ Income tax expense under the taxes payable method

ii$.$ The effective tax rate $($tax expense $$ pre$-$tax income$)$ under the taxes payable method

iii. Income tax expense under the accrual method

iv$.$ The effective tax rate under the accrual method

b$.$ Briefly comment on any differences between the effective tax rates and the statutory rate of $30\%.$