You invest today $14,000 in a bond portfolio yielding 7.82% per year. Estimate how long it takes for the portfolio to reach $ 22,000. That is, estimate N in years. 6.0 years 6.8 years 7.5 years O 7.0 years How long will it take $14,000 invested in a bond portfolio yielding 7.12% per year to reach $ 26,000? 9.1 years 9.0 years 8.8 years 8.7 years