void setup(){
//initialization
size(300,100);
background(255);
//variable
int income;
//assign variable
income = 800001;
//calculate tax
println("Tax = "+CalTax(income)+" Baht");
fill(0);
textSize(25);
text("Tax = "+CalTax(income)+" Baht",20,40);
}
void CalTax(i){
int tax;
if(i>800000){
tax = (25/100)*i;
}else{
if(i>500000){
tax = (20/100)*i;
}else{
if(i>300000){
tax = (15/100)*i;
}else{
if(i>150000){
tax = (10/100)*i;
}else{
tax = 0;
}}}}
return tax;
}