invested in a portfolio of near-cash assets that will yield an annual before-tax return of 12 percent. The company usually uses a 365 -day year in its financial calculations. a. What reduction in check collection time is necessary for Portobello to be neither better nor worse off for having adopted the proposed system? b. How would your solution to part a be affected if Portobello could invest the freed-up balances at an expected annual return of 6 percent? c. What is the logical explanation for the differences in your answers to part a and part b ? a. What reduction in check collection time is necessary for Portobello to be neither better nor worse off for having adopted the proposed system? days (Round to three decimal places.)