$20-$ EcoEnergy Solutions is implementing a new solar farm project. The company plans to:

Invest $$5,000$ per year for the first $6$ years, starting at the end of year $1.$

Allow the funds to grow $($no new investments or withdrawals$)$ for $5$ additional years $($years $7-11).$

Withdraw $$10,000$ in year $12,$ then reduce the withdrawal amount by $15\%$ per year for the next $4$ years $($years $13-16).$

The annual interest rate is $9\%.$ temel form$$l ile $$z

What is the future worth of the investment at the end of year $11?$