public Form1()
{
InitializeComponent();
dinnerParty = new DinnerParty()
{
numberOfPeople = 5
};
dinnerParty.CalculateCostOfDecorations(false);
dinnerParty.SetHealthyOption(true);
DisplayDinnerPartCost();
}
private void healthyBox_CheckedChanged(object sender, EventArgs e)
{
dinnerParty.SetHealthyOption(healthyBox.Checked);
DisplayDinnerPartCost();
}