Write a program that can be used to calculate the federal tax. The tax is calculated as follows: For single people, the standard exemption is $4,000; for married people, the standard exemption is $7,000. A person can also put up to 6% of his or her gross income in a pension plan. The tax rates are as follows: If the taxable income is: ? Between $0 and $15,000, the tax rate is 15%. ? Between $15,001 and $40,000, the tax is $2,250 plus 25% of the taxable income over $15,000. ? Over $40,000, the tax is $8,460 plus 35% of the taxable income over $40,000. Prompt the user to enter the following information: ? Marital status ? If the marital status is "married," ask for the number of children under the age of 14 ? Gross salary (If the marital status is "married" and both spouses have income, enter the combined salary.) ? Percentage of gross income contributed to a pension fund Your program must consist of at least the following functions: a. Function getData: This function asks the user to enter the relevant data. b. Function taxAmount: This function computes and returns the tax owed.