lib/train/tax/calculator/withholding_tax.rb in train-tax-calculator-2.2.1 vs lib/train/tax/calculator/withholding_tax.rb in train-tax-calculator-2.2.2

@@ -1,20 +1,20 @@
 module Train::Tax::Calculator
   module WithholdingTax
 
-    TRAIN_TAX_TABLE = [
+    LOOKUP_TABLE = [
       { lowest:       0.00, highest:  20_833.00, base:       0.00, excess: 0.00 },
       { lowest:  20_833.00, highest:  33_333.00, base:       0.00, excess: 0.20 },
       { lowest:  33_333.00, highest:  66_667.00, base:   2_500.00, excess: 0.25 },
       { lowest: 66_667.000, highest: 166_667.00, base:  10_833.33, excess: 0.30 },
       { lowest: 166_667.00, highest: 666_667.00, base:  40_833.33, excess: 0.32 },
-      { lowest: 666_667.00, highest: +1.00/0.00, base: 200_833.33, excess: 0.35 },
+      { lowest: 666_667.00, highest: Float::INFINITY, base: 200_833.33, excess: 0.35 },
     ]
 
-    def self.compute(deductions, basic_salary)
-      taxable_income = basic_salary - deductions
+    def self.compute(basic_salary)
+      taxable_income = basic_salary - Deductions.get(basic_salary)
 
-      tax_bracket = TRAIN_TAX_TABLE.select do |bracket|
+      tax_bracket = LOOKUP_TABLE.select do |bracket|
         taxable_income >= bracket[:lowest] &&
         taxable_income < bracket[:highest]
       end.first
 
       withholding_tax = tax_bracket[:base] + ((taxable_income - tax_bracket[:lowest]) * tax_bracket[:excess])