1/* input working hours in a week, then print the total wages, taxes, and net pay, */
2 # include & lt; stdio.h> 
3 # define 40//more than 40 hours for overtime HOUR 
4 # define HOURRATE/1.5/more than 40 hours over multiple 
5 # define RATE1/0.15/$300 before the tax rate shall be 15% 
6 # define RATE2/0.20/under a $150 tax rate of 20% 
7 # define RATE3/0.25/25% for the rest of the 
300//8 # define BREAK1 cut-off rate of the first 
9 # define BREAK2 at 450//the second cut-off point 
10 # define BASE1 (BREAK1 * RATE1)//salary is $300 tax payable 
11 # define BASE2 (BASE1 + (BREAK2 - BREAK1) * RATE2)//salary is $450 tax payable 
12 void menu (void); 
13 char get_first (void); 
14 
15 int main (void) 
16 {
17 double wage;//total wages 
18 double tax;//tax 
19 double netwage;//net pay 
Double 20 hours;//this week working hours 
21 double WAGE_HOUR;//hourly wage 
22 char ch; 
23 int the done=0; 
24 
While 25 (done==0) 
26 {
27 the menu (); 
28 get_first (); 
29 the switch (ch) 
30 {
31 case 'a' : WAGE_HOUR=8.75; 
32 break; 
33 case 'b' : WAGE_HOUR=9.33; 
34 break; 
35 case 'c' : WAGE_HOUR=10.00; 
36 break; 
37 case 'd' : WAGE_HOUR=11.20; 
38 break; 
39 case 'e' : done=1; 
40 break; 
41 default: printf (" both Please enter a number from a to e. \ n "); 
42 the continue; 
43} 
44 
45 the if (done==0) 
46 {
47 printf (" How long did you work this week? \n"); 
48 the scanf (" % lf ", & amp; Hours); 
49 if (pump & lt;=HOUR) 
Wage=50 hours * WAGE_HOUR; 
51 the else 
52 wage=HOUR * HOURRATE WAGE_HOUR + (hours - HOUR) * * WAGE_HOUR; 
53 the if (wage & lt;=BREAK1) 
54 tax=wage * RATE1; 
55 else if (wage & lt;=BREAK2) 
56 tax=BASE1 + (wage - BREAK1) * RATE2; 
57 the else 
58 tax=BASE2 + (wage - BREAK2) * RATE3; 
59 netwage=wage - tax; 
60 printf (" Your total wage is % lf dollars. \ n ", wage); 
61 printf (" Your tax is % lf dollars. \ n ", tax); 
62 printf (" Your netwage is % lf dollars. \ n ", netwage); 
63 the continue; 
64} 
65 else 
66 break; 
67} 
68 printf (" Done! \n"); 
69 
70 return 0; 
71} 
72 
73 void menu (void) 
74 {
75 printf (" * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * \ n "); 
76 printf (" Enter the number corresponding to the desired pay rate or action: \ n "); 
$8.75/hr 77 printf (" a) b) $9.33/hr \ n "); 
78 printf (" c) $10.00/hr d) $11.20/hr \ n "); 
79 printf (e) the quit "\ n"); 
80 printf (" * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * \ n "); 
81} 
82 
83 char get_first (void) 
84 {
85 int ch; 
86 
While 87 ((ch=getchar ())! ) 
='\ n'88 {
89 the if (ch & lt; 33) 
90 the continue; 
91 else 
92 break; 
93} 
94 
95 return ch; 
96} 

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