Suppose the risk$-$free rate is $6\%$ and the market portfolio of risky assets has an expected return of $12\%$ and a standard deviation of $15\%.$ David is planning an investment of $$1,000.$ He wants his investment to grow to $$1$ million in $10$ years $($assuming annual compounding$).$ According to the CML$,$ is it possible that David would achieve his goal? Why or why not?