18. Sammy company Ltd has observed the following cash flows for its proposed expansion to Kumasi. Year Cash Flow (in Millions) 0 -GH100 GH50 2 GH40 GH40 4 GH15 3 From the table, compute the payback time and the NPV given the required return of 15%. 18. Sammy company Ltd has observed the following cash flows for its proposed expansion to Kumasi. Year Cash Flow (in Millions) 0 -GH100 GH50 2 GH40 GH40 4 GH15 3 From the table, compute the payback time and the NPV given the required return of 15%