Robert, signs a $30 million deal for 10 years where is promised following payments: Immediate payment of $4 million $3 m

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Robert, signs a $30 million deal for
10 years where is promised following payments:
Immediate payment of $4 million
$3 million at each of the end of years
1 and 2
$4 million at each of the end of year
3, 4 and 5
$2 million at each of the end of years
6, 7 and 8
$1 million at each of the end of years
9 and 10
Robert invests all his earnings in an
account that pays 7 percent interest.
What is the balance at the end of 10
years?