A company plans to produce leather bags with an investment of 2,800,000 $, a useful life of 8 years. It is foreseen that the production amount will be increased by 7% every year, with the expectation that the initial production amount will be 20,000 in the first year and the market share will grow. It is thought that the bags will be sold for 300 $ in the first year and their prices will be increased by 5% every year. It has been calculated that the cost of sales will be 70% of net sales and operating expenses, including depreciation will be 14% of net sales. Since the investment will be financed entirely by foreign sources, it has been learned that 670.000 $ financial expenses will be paid each year. Assuming that the corporate tax rate is 20% and the profitability rate (Expected IRR) that the company expects from the investment is 22%; a) Calculate Internal Profitability Rate (IRR). b) Calculate the Net Present Value (NPV) by specifying it. c) Calculate the Discounted Payback period. d) How many TL should the investment amount increase in order to reject the investment