help me please

33 X1 FUNDAMENTALS OF FINANCE 2 [2020-21] A mining company wil spend 128 million in order to exploita low-grade placer deposit of gold ore. They estimate the deposit will produce profits of $6 milion per year for six years. They calculate the net present value (NPV using an estimated cost of capital of ex. What is the maximum that the cost of capital can deviate from this estimate that stil makes the decision to mine worthwhile? I BIU > QX G 1 Maximum size for new 50MB Fies 30 ESS FE FB * & 7 6 8 9 W