Adam Kesher needs $$20,000,000$ ro star stket. To zet the remaining $515,000,000,$ o th tay.

Adamn Kest $5,0,000$ from his own pocket. Ton tester win is siling $0,$ his manager, Robert Smith, is trying to find a co$-$producer or an investor who is willing to lend but no one volunteers as Castigliane Brothers, a powerful figure in Hollywood, have blacklisted Adam Kesher and started an embargo on his work. Hence, Mr$.$ Smith advises Mr$.$ Kesher to deposit his $$5,000,000$ into a savings account with an interest rate of $12\%$ per year $($continuously compounding$)$ until he accumulates the necessary $$20,000,000.$ How long should Mr$.$ Kesher wait until he can start shooting The Sylvia North Story?