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Chapter Four Establishing New Banks, Branches, ATMs, Telephone Services, and Websites 125 has a minimum acceptable rate of return on its invested capital of 15 percent, will Norfolk Savings likely proceed with this branch office project? 3. Forever Savings Bank estimates that building a new branch office in the newly developed Washington township will yield an annual expected return of 12 percent with an estimated standard deviation of 10 percent. The bank's marketing depart- ment estimates that cash flows from the proposed Washington branch will be mildly positively correlated (with a correlation coefficient of +0.15) with the bank's other sources of cash flow. The expected annual return from the bank's existing facilities and other assets is 10 percent with a standard deviation of 5 percent. The branch will represent just 20 percent of Lifetime's total assets. Will the proposed branch increase Forever's overall rate of return? Its overall risk? 4. The following statistics and estimates were compiled by Big Moon Bank regarding a proposed new branch office and the bank itself