Program zwraca -1 nie wiem dlaczego,- funkcja

 #include <stdio.h>


void SharesManagement (int cash,int Value_Of_Share,int Number_Of_Sector_Shares,char Name_Of_Sector);

int main()
  {
char Finance [] = "Financial Sector";
int Value_Of_Share_Finances,cash=100000,Number_Of_Shares_Finance;


SharesManagement(cash,Value_Of_Share_Finances,Number_Of_Shares_Finance,*Finance);


   return 0;
  }



void SharesManagement (int cash,int Value_Of_Share,int Number_Of_Sector_Shares,char Name_Of_Sector)

{
int Choice,Number_Of_Shares;

    printf("Would you like to buy or sell?\n");
    printf("1.I'd like to buy\n");
    printf("2.I'd like to sell\n");
    scanf("%d",&Choice);




      if(Choice==1)
    {


    printf("How many shares of %c would you like to buy? (maximum is: %d\n)",Name_Of_Sector,(cash/Value_Of_Share));
    scanf("%d",&Number_Of_Shares);
    if(Number_Of_Shares*Value_Of_Share>cash){printf("Insufficient funds\n");}
    cash=cash-Number_Of_Sector_Shares*Value_Of_Share;
    Number_Of_Sector_Shares=Number_Of_Sector_Shares+Number_Of_Shares;

    }


    else
    {
    printf("How many shares of %c would you like to sell?\n"),Name_Of_Sector;
    scanf("%d",&Number_Of_Shares);

    if(Number_Of_Shares>Number_Of_Sector_Shares){printf("You don't have these shares!\n");}

    cash=cash+Number_Of_Shares*Value_Of_Share;
    Number_Of_Sector_Shares=Number_Of_Sector_Shares-Number_Of_Shares;


    }
    }

#include <stdio.h>

void SharesManagement(int cash, int Value_Of_Share, int Number_Of_Sector_Shares, char Name_Of_Sector);

int main()
{
    char Finance[] = "Financial Sector";
    int Value_Of_Share_Finances, cash = 100000, Number_Of_Shares_Finance;

    SharesManagement(cash, Value_Of_Share_Finances, Number_Of_Shares_Finance, *Finance);

    return 0;
}

void SharesManagement(int cash, int Value_Of_Share, int Number_Of_Sector_Shares, char Name_Of_Sector)
{
    int Choice, Number_Of_Shares;

    printf("Would you like to buy or sell?\n");
    printf("1.I'd like to buy\n");
    printf("2.I'd like to sell\n");
    scanf("%d", &Choice);

    if (Choice == 1) {

        printf("How many shares of %c would you like to buy? (maximum is: %d\n)", Name_Of_Sector, (cash / Value_Of_Share));
        scanf("%d", &Number_Of_Shares);
        if (Number_Of_Shares * Value_Of_Share > cash) {
            printf("Insufficient funds\n");
        }
        cash = cash - Number_Of_Sector_Shares * Value_Of_Share;
        Number_Of_Sector_Shares = Number_Of_Sector_Shares + Number_Of_Shares;

    } else {
        printf("How many shares of %c would you like to sell?\n"), Name_Of_Sector;
        scanf("%d", &Number_Of_Shares);

        if (Number_Of_Shares > Number_Of_Sector_Shares) {
            printf("You don't have these shares!\n");
        }

        cash = cash + Number_Of_Shares * Value_Of_Share;
        Number_Of_Sector_Shares = Number_Of_Sector_Shares - Number_Of_Shares;
    }
}

else {
        printf("How many shares of %c would you like to sell?\n"), Name_Of_Sector;
        scanf("%d", &Number_Of_Shares);

printf("How many shares of %c would you like to sell?\n", Name_Of_Sector);

do
   {
    printf("How many rounds should the game last for?\n");
    fflush(stdin); // nie powinien działać ale pod windows na większości kompilatorach działa, można zamienić na while(getchar()!='\n') {}
   } while(scanf("%d",&Number_Of_Rounds)!=1);