#include<bits/stdc++.h>
using namespace std;

int main()
{
    int T;
    scanf("%d",&T);
    int n,maxn,minn,ave;
    while(T--){
        scanf("%d%d%d%d",&n,&maxn,&minn,&ave);
        int maxx=(n-1)*maxn+minn;
        int minx=(n-1)*minn+maxn;
        int t=n*ave;
        if(maxx>=t&&minx<=t&&maxn>=minn) printf("yes\n");
        else printf("no\n");
    }
    
//    printf("%d",100*100000);
    
    return 0;
}