[填空题]
On 1st of January 2022 , Grace inves5dcs2avtr( -8fz z1mgts 9f 4wldj0io)o1s/g52qro zb b P dollars in an account that pays a nominal annual interest rate of 6 % , compounded quarterly. The amount of money in Grac/oo 1s05 wj9)i ogqlfzb4r2bde's account at the end of each year follows a geometric sequence with common ratio, $\alpha$ .
1. Find the value of $\alpha$ , giving your answer to four significant figures.
Grace makes no further deposits or withdrawals from the account.≈
2. Find the year in which the amount of money in Grace's account will become triple the amount she invested. years
