ASDV-C-Sharp/MP4/JoesAutomotive_CalebFontenot/Form1.cs

using System.CodeDom;

namespace JoesAutomotive_CalebFontenot
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        private decimal OilLubeChanges(decimal total)
        {
            // Check if the appropiate check boxes are checked, and if they are, add their sums to total.
            if (oilChangeCheckBox.Checked)
            {
                total += 26.00m;
            }
            if (lubeJobCheckBox.Checked)
            {
                total += 16.00m;
            }
            return total;
        }
        private decimal FlushCharges(decimal total)
        {
            // Check if the appropiate check boxes are checked, and if they are, add their sums to total.
            if (radiatorFlushCheckBox.Checked)
            {
                total += 30.00m;
            }
            if (transmissionFlushCheckBox.Checked)
            {
                total += 80.00m;
            }
            return total;
        }
        private decimal MiscCharges(decimal total)
        {
            // Check if the appropiate check boxes are checked, and if they are, add their sums to total.
            if (inspectionCheckBox.Checked)
            {
                total += 30.00m;
            }
            if (replaceMufflerCheckBox.Checked)
            {
                total += 80.00m;
            }
            if (tireRotationCheckBox.Checked)
            {
                total += 20.00m;
            }
            return total;
        }
            private decimal TotalCharges()
        {
             decimal total = 0m;
             total = OilLubeChanges(total);
             total = FlushCharges(total);
             total = MiscCharges(total);
            return total;
        }
            private decimal TaxCharges()
        {
            decimal total = 0m;
            total = OilLubeChanges(total);
            total = MiscCharges(total);
            decimal tax = total * 0.06m;
            return tax;
        }

            private void calculateButton_Click(object sender, EventArgs e)
        {
            decimal total = TotalCharges();
            decimal tax = TaxCharges();

            // Set textboxes
            totalFeesTextBox.Text = total.ToString("c");
            taxTextBox.Text = tax.ToString("c");
        }
    }

    }