choose corp tax history for admins

app/Library/Structures/StructureTaxHelper.php

@@ -36,9 +36,15 @@ class StructureTaxHelper {
         $revenue = $this->GetRevenue($corpId, $refType, $start, $end);
         
         $revenue = $revenue - ($fuelCost * $count);
-        dd($revenue);
+        //Check to see if the revenue is greater than zero to avoid division by zero error.
+        //Then calculate the tax owed which is revenue divided by ratio previously calcualted.
+        //if($revenue > 0.00) {
+        //    $taxOwed = $revenue / $ratio;
+        //} else {
+        //    $taxOwed = 0.00;
+        //}
         //Calculate the tax owed which is revenue divided by ratio previously calculated
-        $taxOwed = $revenue / $ratio;
+        $taxOwed = (float)$revenue / (float)$ratio;
         //Check for negative number, and if negative, zero it out.
         if($taxOwed < 0.00){
             $taxOwed = 0.00;