A Drug Mart business costs $$400,000.$ It is expected to generate a profit of $$50,000$ at the end of every year for $6$ years. At the end of the $6$ years, it has a salvage value of $$450,000.$ If Rata needs to borrow the money to invest in the business, what is the highest interest rate she would be willing to pay? Question $8$ options:$13\mathrm{.}97\%14\mathrm{.}58\%5\mathrm{.}36\%2\mathrm{.}08\%13\mathrm{.}68\%$