Salesman's Sales

#include<stdio.h>

int main() {
    float salesAmount = 0;
    int numberOfSalesman = 0;
    int twentyPercent=0, fifteenPercent=0, thirteen=0, zero=0;

    printf("Salesmans's Sales Generator\n");
    printf("Enter how many salesman (Maximum of 50): ");
    scanf("%d", &numberOfSalesman);

    printf("\n");
    int i = 1;
    while (i <= numberOfSalesman) {
        printf("Enter salesman %d sales: ", i);
        scanf("%f", & salesAmount);

        if (salesAmount > 20000) {
            twentyPercent++;
        }
        if (salesAmount >= 15000 && salesAmount <= 20000) {
            fifteenPercent++;
        }
        if (salesAmount < 15000) {
            thirteen++;
        }
        if (salesAmount == 0) {
            zero++;
        }
        i++;
    }

    printf("\nTotal Commission 20%%: %d \n", twentyPercent);
    printf("Total commission 15%%: %d \n", fifteenPercent);
    printf("Total commission 13%%: %d \n", thirteen);
    printf("Zero Commission: %d", zero);

    return 0;
}