Less than 100 if it is a rush.
But almost all of the Ghana passports requests are frauds. There are rooms full of men and women who use fake or stolen or purchased passports or ID's to pretend to be young women.
They will ask you for this fee, then that fee, then a bribe then it will be stolen and they will need more money,
They will keep coming up with new fees till you catch on it is a scam.