Price fix

 public Computer(string name, List<Component> components)
    {
        this.Name = name;
        this.Components = components;
        this.Price = CalcPrice(components);
    }

    private float CalcPrice(List<Component> components)
    {
        float totalPrice = 0;
        foreach (Component component in components)
        {
            totalPrice += component.Price;
        }

        return totalPrice;
    }