Your grandmother puts $35,000 into a bank account earning 4%. You can't withdraw the money until the balance has doubled. How long will you have to leave the money in the account? Question 18 options: 16 years 17 years 18 years 19 years 20 yearsAlexander Industries just had a very profitable year. The owner has decided to invest $225,000 of the profits in a venture that pays an 8% rate of return for fifteen years. How much more would the investment have been worth if the owner could have made 9% on this investment?