50.An investor in a 28% tax bracket is trying to decide whether to invest in a municipal bond or a corporate bond. She looks up municipal bond yields (rm) but wishes to calculate the taxable equivalent yield r. The formula she should use is given by .

Brandt enterprises is considering a new project that has a cost of $1,000,000, and the cfo set up the following simple decision tree to show its three most likely scenarios. the firm could arrange with its work force and suppliers to cease operations at the end of year 1 should it choose to do so, but to obtain this abandonment option, it would have to make a payment to those parties. how much is the option to abandon worth to the firm?