public void UpdateTipAmount(float tipAmount)
 {
     TipAmountTB.Text = TipAttributes.priceToString(tipAmount);
 }
 public void UpdatePretip(float pretip)
 {
     PretipTB.Text = TipAttributes.priceToString(pretip);
 }
 public void UpdateTaxAmount(float taxAmount)
 {
     TaxTB.Text = "$" + TipAttributes.priceToString(taxAmount);
 }
 public void UpdateSubtotal(float subtotal)
 {
     SubtotalTB.Text = TipAttributes.priceToString(subtotal);
 }
 public void UpdateTotal(float total)
 {
     TotalTB.Text = TipAttributes.priceToString(total);
 }