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#include <iostream>

using namespace std;
int main(){
    
    int t;cin >> t;
    for(int T=1;T<=t;T++){
        int res,p,q,r,s,w;
        cin >> p>> q>> r>> s>> w;
        res= p*w;
        if(r<w)
            q+=(w-r)*s;
        res = res< q ? res : q;
        
        cout <<"#"<<T<<" "<<res<<endl;
    }
}