2023 4 14 9:55 You want to open your tea shop, for which you plan to borrow 800000 TWD from your friend. The friend can only lend you for 9 months (cut off period). Monthly fixed costs are going to be 40000 TWD. Variable costs are going to be 10 TWD per cup sold. No other costs, no taxes, no depreciation, NI=CF. Sales price is going to be 50 TWD. The number of cups sold per month in the first half of the year is 2500 . After that you are going to sell 3000 cups per month. How long is payback period (in months)? Is the project acceptable