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Future value of a portfolio. Rachel and Richard want to know when their current portfolio will be sufficient for them to retire. They have the following balances in their portfolio: Money market account (MM): $38,000 Government bond mutual fund (GB) $155,000 Large capital mutual fund (LC) $106,000 Small capital mutual fund (SC) $73,000 Real estate trust fund (RE) $88,000 Rachel and Richard believe they need at least $2.400,000 to retire. The money market account grows at 3.5% annually, the government bond mutual fund grows at 6 0% annually, the large capital mutual und grows at 8 5% annually, the small capital mutual fund grows at 12 5% annually, and the real estate trust fund grows at 4 5% annually with the assumption that no more funds will be deposited into any of these accounts, how long will it be until they reach the $2,400,000 goal? Rachel and Richard will need to invest their accounts for or more years to reach $2.400,000 (Round to the nearest whole number.)