X-Git-Url: http://git.scottworley.com/inverse-tax/blobdiff_plain/82b7a49862ffba0bcd9e6b5500b4ed2e901444e8..49188cbe174f6f0559037bb2f6e51300dac90a85:/tax.js

diff --git a/tax.js b/tax.js
index 7f32f74..d9bd34c 100644
--- a/tax.js
+++ b/tax.js
@@ -53,8 +53,6 @@ function merge_tax_tables(t1, t2) {
 }
 
 function invert(table) {
-  if (table.length == 0) return x => x;
-
   // Here we solve
   //   net = m * gross + b
   // for gross:
@@ -90,5 +88,6 @@ function invert(table) {
         return (net - b) / m;
       }
     }
+    return net;
   };
 }