#include <iostream>

using namespace std;

int main()
{
    int c;
    cin>>c;
    int n,Max,Min,ave;
    while(c>0)
    {
        cin>>n>>Max>>Min>>ave;
        int Ma=Max*(n-1)+Min;
        int Mi=Min*(n-1)+Max;
        int A=ave*n;
        if(Min>Max)
        {
            cout<<"no"<<endl;
        }
        else if(A>=Mi && A<=Ma)
        {
            cout<<"yes"<<endl;
        }
        else
        {
            cout<<"no"<<endl;
        }
        c--;
    }
    return 0;
}