The 2 players are sold for a total of 2*10 = $<<2*10=20>>20 million
So the club has 100 + 20 = $<<100+20=120>>120 million
The cost of buying 4 more players at $15 million each is 4*15 = $<<4*15=60>>60 million
So the club now has 120 – 60 = $<<120-60=60>>60 million
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