Walk me through this problem, step by step explananation. rather over explain thenn under explain
a.Amount required on retirement will be equal to the present value of perpetuity
= Annual Amount/Return
= 100,000/10%
= $1,000,000
It means that amount required at the end of 20 years = $1,000,000
Let Annual Contributions be x
He already has 50,000. For rest of the payments, future value of annuity will be calculated)
It means 50,000 + x*[{(1+0.1)20-1}/0.1] = 1,000,000
57.275x = 950,000
X = $16,586.64
Hence, annual contribution required = $16,586.64
b.Let contribution required now be x
30,000 + x*[{(1+0.1)20-1}/0.1] = 1,000,000
57.275x = 970,000
X = $16,935.84
Hence, annual contributions now required = $16,935.84
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