a. 7. Which of the following will probably result in an increase in the business demand for loanable funds? an increase in positive net present value (NPV) projects b. a increase in interest rates on business loans a recession d. none of the above c. 8. An investor's tax rate is 40 percent. What must the before-tax yield on a security be to have an after-tax yield of 12 percent? A). 20 percent 9. Assume that as of today, the annualized two-year interest rate is 7.5%, while the one-year interest rate is 4%. Use this information to estimate the one-year forward rate