diff --git a/pricer.py b/pricer.py
new file mode 100755
index 0000000..c9557ca
--- /dev/null
+++ b/pricer.py
@@ -0,0 +1,46 @@
+#!/usr/bin/python3
+
+import pandas as pd
+import csv
+
+csv.register_dialect('ManaBox', delimiter=",", quoting=csv.QUOTE_ALL, doublequote=True)
+
+def calculate_buy_price(filename):
+    df = pd.read_csv(filename, dialect="ManaBox")
+
+    total = 0
+    for index, row in df.iterrows():
+        sellPrice = row["Purchase price"]
+
+        if sellPrice >= 1.00:
+            buyPrice = sellPrice * 0.7
+        elif sellPrice >= 0.50:
+            buyPrice = sellPrice * 0.5
+        elif sellPrice >= 0.10:
+            buyPrice = 0.05
+        elif sellPrice >= 0.05:
+            buyPrice = 0
+
+        total += buyPrice
+    return total
+
+def output_price_list(filename):
+    df = pd.read_csv(filename, dialect="ManaBox")
+
+    for index, row in df.iterrows():
+        print(row["Name"] + ": £" + str(row["Purchase price"]))
+
+def main():
+
+    filename = input("Filename: ")
+    mode = input("Mode: ")
+
+    if mode == "buy":
+        total = calculate_buy_price(filename)
+    elif mode == "sell":
+        output_price_list(filename)
+    else:
+        print("Unknown option: " + mode)
+
+if __name__ == "__main__":
+    main()