I will prepare break-even model in excel. Breakeven tells you that at what level of price and what level of sales you would be at a stage of no profit or loss. It helps to determine the minimum level of sales target and sales price.
This model would give you the result in following ways
Break-even Qty at certain price Breakeven Price at certain Quantity Breakeven fixed costs at certain quantity and price Profit/Loss at certain quantity/price
In this model, you would be able to change the above variables by your own and get the result, no technical knowledge is required to operate this model.
What the Seller needs to start the work
Input Data Sheet in Excel
If want you customization than i can do it for you