N:=30;

M:=7;

R:=20;

VPC:=SUM(C*V,N)/SUM(V,N) - SMA(C,N,1);

VPR:=(SUM(C*V,M)/SUM(V,M))/SMA(C,M,1);

VM:=SMA(V,M,1)/SMA(V,N,1);

VPCI:VPC*VPR*VM;

MAVPCI:MA(VPCI,R);

0;