Your best friend's uncle, 45 needs your help to have a comfortable retirement with $1.00 million in his retirement account. Currently, he has only $ 200,000 in his Retirement Plan that is earning at avg annual rate of 7.5%. He wants to know how much additional amount per month is required to be invested in his retirement to achieve his goal. Based on your calculations, the answer is approximately: a $1,445 b. $195 pm c. $16,425 pm d. $ 2197pm e. No need to invest any more amount