-800000/(1.11)^0 - 5000000/(1.11)^1 - 2700000/(1.11)^2 - 2000000/(1.11)^2 + 2019600/(1.11)^3 + 1871760/(1.11)^4 + 1871760/(1.11)^5 + 1760880/(1.11)^6 + 1650000/(1.11)^7 + 1650000/(1.11)^8 + 1650000/(1.11)^9 + 1650000/(1.11)^10 + 1650000/(1.11)^11 + (1650000 + 2000000)/(1.11)^12
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