We have inserted the symbol E* (for Excel) to the left of each problem or part where Excel should be used. An asterisk on the problem number indicates that at least a partial answer is given in the back of the book. E*4.1. Consider the Everglade cash flow problem discussed in this chapter. Suppose that extra cash is kept in an interest- bearing savings account. Assume that any cash left at the end of a year earns 3 percent interest the following year. Make any necessary modifications to the spreadsheet and re-solve