哪里出错了呢，求助~~~

<?php

    $totalMoney = 0;//总工资

$basicMoney =  300;//基本工资

$sex = "男";

$noHouse = TRUE; //是否有房

$houseMoney =  150;//住房补贴

$isPregnancy = TRUE; //是否怀孕

$pregnancyMoney =  100;//怀孕补贴

if($sex=="男")

{

$totalMoney = $basicMoney  + 0;// 男的没奖金

if($onHouse)

{

$totalMoney = $totalMoney  + $houseMoney;

} 

}

else if($sex=="女")

{

$totalMoney = $basicMoney  + 300;// 女的有奖金300元

if($isPregnancy)

{

$totalMoney = $totalMoney  + $pregnancyMoney;

} 

}

echo $totalMoney;

?>