Lab3 - Delivery charge, see question 20 on page 299

void setup(){
  float cost = cal_charge(1, 0, 15);
}

float cal_charge(int packaging, int services ,float weight){
  float add;
    println("Type of package (Letter=0/Box=1) is " +packaging);
    println("Type of service (Next Day Priority=0/Next Day Standard=1/Two-Day=2) is " +services);
    println("Weight is " +weight +" oz");
    println();
  
     if(packaging == 0 && services == 0 && weight <= 8) //Letter ,Next Day Priority
     {
       println("The total is $12.00");
     }
     else if(packaging == 0 && services == 1 && weight <= 8) //Letter ,Next Day Standard
     {
       println("The total is $10.50");
     }
     else if(packaging == 0 && services == 2) //Letter ,Two-Day
     {
       println("Not avaliable");
     }
     else if(packaging == 1 && services == 0) //Box ,Next Day Priority
     {
       if (weight <= 16)
       {
         println("The total is $15.75"); //Weight at 1 pound
       }
       else
       {
         weight = weight/16;
         add = 15.75+((ceil(weight)-1)*1.25);
         println("The total is $" +add); //Weight over 1 pound
       }
     }
     else if(packaging == 1 && services == 1) //Box ,Next Day Standard
       {
       if (weight <= 16)
       {
         println("The total is $13.75"); //Weight at 1 pound
       }
       else
       {
         weight = weight/16;
         add = 13.75+((ceil(weight)-1)*1.00);
         println("The total is $" +add); //Weight over 1 pound
       }
   }
   else if(packaging == 1 && services == 2) //Box ,Two-day
       {
       if (weight <= 16)
       {
         println("The total is $7.00"); //Weight at 1 pound
       }
       else
       {
         weight = weight/16;
         add = 7.00+((ceil(weight)-1)*0.50);
         println("The total is $" +add); //Weight over 1 pound
       }
   }
 return weight;
}