C语言之输入月收入，输出该月应纳税额-2019

 

 1 #include<stdio.h>
 2 #include<stdlib.h>
 3 #include<string.h>
 4 
 5 #define s1 0.03  //税率b <= 3000
 6 #define k1 0     //速算扣除数b <= 3000
 7 
 8 #define s2 0.1   //税率3000 < b <= 12000
 9 #define k2 210  //速算扣除数3000 < b <= 12000
10 
11 #define s3 0.2   //税率12000 < b <= 25000
12 #define k3 1410  //速算扣除数12000 < b <= 25000
13 
14 #define s4 0.25  //税率25000 < b <= 35000
15 #define k4 2660  //速算扣除数25000 < b <= 35000
16 
17 #define s5 0.30  //税率35000 < b <= 55000
18 #define k5 4410  //速算扣除数35000 < b <= 55000
19 
20 #define s6 0.35  //税率55000 < b <= 80000
21 #define k6 7160  //速算扣除数55000 < b <= 80000
22 
23 #define s7 0.45  //税率b >80000
24 #define k7 15160 //速算扣除数b >80000
25 
26 void main()
27 {
28     long int a;  //月收入
29     long int b;  //月应纳税所得
30     long int c;  //应纳税额
31 
32 
33     printf("请输入您的月收入：");
34     scanf("%d",&a);
35     
36     b = a - 5000;
37 
38     if(b <= 3000)
39     {
40         c = b * s1 - k1;
41     }
42     else if(3000 < b && b <= 12000)
43     {
44         c = b * s2 - k2;
45     }
46     else if(12000 < b && b <= 25000)
47     {
48         c = b * s3 - k3;
49     }
50     else if(25000 < b && b <= 35000)
51     {
52         c = b * s4 - k4;
53     }
54     else if(35000 < b && b<= 55000)
55     {
56         c = b * s5 - k5;
57     }
58     else if(55000 < b && b<= 80000)
59     {
60         c = b * s6 - k6;
61     }
62     else
63     {
64         c = b * s7 - k7;
65     }
66 
67     printf("您的月应纳税额为：%d",c);
68     
69     printf("\n");
70     system("pause");
71     return ;
72 }