Hello to all! I am going to make a stock management and Point of sale for a person on Ms Excel file. Actually my client has a store of bedding accessories (e.g pillows, blankets, quilts, cushions. bedsheets and many other items).I have to maintain such an excel file that should maintain stock as well as keep record of sales and profit. I have worked about 70 percent as per requirements of my client. The confusion which I am facing is about charges of my work.Please guide me how much money should I demand from my client.Will it suitable to demand for 50 to 80 dollars? I am so confused. I am also pasting 2 screen shots of my work. Please guide me.I shall be thank full to you.