Hi I have ready formula for you.
I am a financial expert and guru in Excel/VBA/Macro. I have extensive knowledge and expertise in advanced formulas, Pivot Tables, Visual Basic Application (automation) including preparation of dynamic dashboards, screen layout's (user-forms), drop-down boxes, generator reports, and charts (script for charts).
With these skills, I come up with creative and sophisticated financial & statistical modules and form in a simplified and logical manner.