please solve.

In Canada, income tax is progressive, which means that the average tax rate increases with the taxable income. The income tax is the sum of the federal and provincial tax. The marginal tax rate on the federal level is as follows: up to $47, 630: 15% between $47, 630 and $95, 259: 20.5% between $95, 259 and $147, 667: 26% between $147, 667 and $210, 371: 29% over $210, 371: 33% The marginal tax rate for the province of Alberta is as follows: up to $131, 220: 10%% between $131, 220 and $157, 464: 12% between $157, 464 and $209, 952: 13% between $209, 952 and $314, 928: 14% over $314, 928: 15% For example, if a taxable income of $150, 000 is increased by $100, there will be $41 ($29 federal and $12 Albertan) additional tax. a) How much tax is paid for a taxable income of $1050007 Round your answer to the nearest dollar. Answer = $ b) Does a taxable income between $157, 464 and $209, 952 exist such that the average tax rate is equal to 33.0% ? If so, enter the number rounded to the nearest dollar, omitting commas. If it does not exist, enter DNE. Answer = $ c) Does a taxable income between $157, 464 and $209, 952 exist such that the average tax rate is equal to 17.0%? If so, enter the number rounded to the nearest dollar, omitting commas. If it does not exist, enter DNE. Answer = $ d) Does a taxable income between $47, 630 and $95, 259 exist such that the average tax rate is equal to 26.0%? If so, enter the number rounded to the nearest dollar, omitting commas. If it does not exist, enter DNE