Calculation of level seven tax

Calculation of level seven tax
Problem description: As of September 1, 2011, China's adjusted personal income tax collection method, starting point for 3500 yuan,
The excess portion is calculated at level 7 below:
1 over 0 to 1500 tax rate 3% calculating quickly deduction number 0
2 part of the tax rate of more than 1500 to 4500 yuan 10% calculating quickly deduction number 105
3 part of the tax rate of more than 4500 to 9000 yuan 20% calculating quickly deduction number 555
4 part of the tax rate of more than 9,000 to 35,000 yuan 25% calculating quickly deduction number 1005
5 part of the tax rate of more than 35,000 to 55,000 yuan 30% calculating quickly deduction number 2755
6 part of the tax rate of more than 55,000 to 80,000 yuan 35% calculating quickly deduction number 5505
7 more than 80,000 of the tax rate 45% calculating quickly deduction 13505
Personal income tax = (total income-3500) * tax rate-calculating quickly deduction

Program output: Tax payable and after-tax income

* * * Seven tax rate problem Description: According to the adjustment of the personal income tax in China from September 1, 2011, the starting point is 3500 yuan, * The above part according to the following 7 level calculation: * 1 over 0 to 1500 tax rate 3% calculating quickly deduction 0 * 2 more than 1500 to 4 Part of the tax rate of 500 yuan 10% calculating quickly deduction 105 * 3 more than 4500 yuan to 9000 yuan part of the tax rate 20% calculating quickly deduction 555 * 4 more than 9,000 yuan to 35,000 yuan part of the tax rate 25% calculating quickly deduction Number 10  05 * 5 of the tax rate of more than 35,000 to 55,000 yuan 30% calculating quickly deduction 2755 * 6 more than 55,000 yuan to 80,000 yuan part of the tax rate 35% calculating quickly deduction 5505 * 7 more than 80,000 tax rate 45% Calculating quickly deduction 13505 * personal income tax = (total income-3500) * tax rate-Calculating quickly deduction * Program output: Tax payable and after-tax income * */#include <stdio.h> int main (int argc, char* argv
	[]) {Double dsalary = 0, Dtax = 0, dnetincome = 0;

	Double dresidues = 0, dcut = 0, drate = 0;
	printf ("Please input your salary:");

	scanf ("%lf", &dsalary);
	Dresidues = dSalary-3500;
	if (dresidues <= 0) {dtax = 0; 
		else {if (dresidues <= 1500) {dcut = 0; drate = 0.03; 
		else if (dresidues <= 4500) {dcut = Drate = 0.1; 
		else if (dresidues <= 9000) {dcut = 555; drate = 0.2; else if (dresidues <= 35000) {dcut = 1005; drate =0.25; 
		else if (dresidues <= 55000) {dcut = 2755; drate = 0.3; 
		else if (dresidues <= 80000) {dcut = 5505; drate = 0.35; 
		else {dcut = 13505; drate = 0.45;
	} dtax = Dresidues * drate-dcut;
	} dnetincome = Dsalary-dtax;

	printf ("Salary:%0.2lf, Tax:%0.2lf, netincome:%0.2lf\n", Dsalary, Dtax, dnetincome);
return 0; }