Amelia earns a gross annual salary of $\$34500$$34500. She wants to put aside equal monthly amounts towards starting her own business. If she must pay income tax of $24%$24% and other expenses adding up to $\$19650$$19650 per annum, how much does she have left to set aside each month? Give your answer correct to the nearest cent.
If tax is stated as being $15.9$15.9 cents in the dollar, what percentage tax is this?
For a gross income of $\$52000$$52000, calculate the net income when:
Bill earns $\$843.50$$843.50 per week and has the following deductions from his gross wage: Tax $\$253.05$$253.05, superannuation $\$85$$85 and union fees $\$25.61$$25.61.