a$)$ Assuming only the basic personal tax credit, how much federal tax would an individual have to pay on $$50,000$ of taxable income in $2023?$

b$)$ How would the answer to $($a$)$ above change if the taxable income was $$106,717?$

c$)$ Considering only federal taxes, if the same individual as $($a$)$ and $($b$)$ above had $$106,718$ of taxable income, what would the marginal and average tax rates be$?$

d$)$ What is the combined federal and provincial marginal tax rate for an individual living in British Columbia who has taxable income of $$250,000$ in $2023?$

e$)$ How much combined federal and provincial tax would an individual living in British Columbia have to pay on $$110,000$ of taxable income in $2023?$

f$)$ Suppose a husband and wife living in British Columbia were to each earn $$55,000($i$.$e$.$ their family income is $$110,000),$ how much combined federal and provincial tax would this family have to pay in $2023?$

g$)$ What is the difference in total tax owing to federal and provincial governments, between $($e$)$ and $($f$)$ above? Why does this difference arise? What is the tax planning strategy that attracts taxpayers on account of this set of circumstances?