Now with rounding, to ensure that multi-step calculations do not accumulate float

app.py

@@ -78,7 +78,7 @@ def _n2l(data: dict) -> None:
     det['wrong_tax'] = listed * wrong_rate
     det['sales_tax'] = listed * SALES_TAX
     det['wrong_tax_loss'] = det['sales_tax'] - det['wrong_tax']
-  data['listed'] = listed
+  data['listed'] = round(listed, 2)
 def _l2n(data: dict) -> None:
   svc = data['service']
   det = data['details']
@@ -92,7 +92,7 @@ def _l2n(data: dict) -> None:
   for k in [ 'commission', 'wrong_tax_loss' ]:
     if k in det:
       net -= det[k]
-  data['net'] = net
+  data['net'] = round(net,2)
 
 def _l2r(data: dict) -> None:
   svc = data['service']
@@ -110,7 +110,7 @@ def _l2r(data: dict) -> None:
   if 'taxes' in svc and 'flat_tax' in svc['taxes']:
     det['service_tax'] = svc['taxes']['flat_tax']
     retail += det['service_tax']
-  data['retail'] = retail
+  data['retail'] = round(retail, 2)
 def _r2l(data: dict) -> None:
   svc = data['service']
   det = data['details']
@@ -127,7 +127,7 @@ def _r2l(data: dict) -> None:
   if 'fees' in svc and 'client_fee' in svc['fees']:
     det['client_fee'] = listed - (listed / (1 + svc['fees']['client_fee']))
     listed -= det['client_fee']
-  data['listed'] = listed
+  data['listed'] = round(listed, 2)
 
 # Routing
 @app.route(f"{URL_PREFIX}/services", methods=['GET'])