Hi I am Ismail A, i am having knowledge in creating Excel (xlsx) file in which as per your need i can use formulas to get the final output result easily. specially for pharmaceutical company i can create Excel (xlsx, xlx) file in which you can feed sales and closing of your stockist or CFA's numbers of products and get the over all and individual sales value. not only this in any other format like employee salary details and other customized work i can do based on your requirement. and also in existing Excel file if you face any formula related error that i can solve. feel free to contact me.... Lee más