Lee and Julia are common-law partners, both aged 35. Lee's mother, aged 75, lives with them and is financially dependant on Lee. While applying for life insurance, Lee mentions that if he dies, he wants the insurance to cover for his mom's living expenses until her death. The maximum life expectancy of his mom is estimated to be age 90. He also wants the insurance to cover for Julia's living expenses until she reaches age 65. His mom's living expenses are estimated to be $1,800 per month and Julia's living expenses are $4,000 per month. 

What is the amount of life insurance coverage Lee needs as per the capital drawdown method?