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我正在编写一个C计算器，它会输出你买卖股票后的净利润。我希望它考虑到资本利得税，所以我想一个if语句会比较合适。我的if语句有问题，计算器不能正确工作。谢谢！

#include <stdio.h>
#include <stdlib.h>

int main()
{
    float sharebuyprice;
    float sharesellprice;
    int shares;
    float profit;
    float income;

    printf("\nHow many shares did you buy?");
    scanf("%d", &shares);

    printf("\nWhat was the price per share?");
    scanf("%f", &sharebuyprice);

    printf("\nWhat price did you sell them for?");
    scanf("%f", &sharesellprice);

    printf("\nWhat is your annual income before taxes?");
    scanf("%f", &income);

    profit = (shares * sharesellprice) - (shares * sharebuyprice);

    income = profit + income;

    if(income >= 0 && income <= 0 41675) {
        printf("Your profit is: %f", profit);
    }
    else if(income >= 41676 && income < 0 459751) {
        profit = profit - (income * 0.15);
        printf("Your profit is: %f", profit);
    }
    else{
        profit = profit - (income * 0.25);
        printf("Your profit is: %f", profit);
    }

    return 0;
}

我试过操纵我的if语句来纠正这个问题，但是我所做的一切都不起作用。