Jojo bought a second hand Betamax VCR and then sold it to Rudy at a profit of 40%. Rudy then sold the VCR to Noel at a profit of 20%. If Noel paid P2, 856 more than it cost to Jojo, how much did Jojo paid for the unit?
Jojo bought a second hand Betamax VCR for P 4,200.
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