Price: 26.83, Shipping: 2.5, Handling: null
  Display: 26.83+2.50=29.33

Price: 26.83, Shipping: null, Handling: null
  Display: 26.83

Price: 26.83, Shipping: null, Handling: null
  Display: 26.83

Price: 100, Shipping: 15, Handling: 5
  Display: 100.00+20.00=120.00