diff --git a/api/lib/prices.py b/api/lib/prices.py
index 6d57ad5..9705f80 100644
--- a/api/lib/prices.py
+++ b/api/lib/prices.py
@@ -1,10 +1,15 @@
 # coding=UTF-8
 """ Price formulas """
-
-from api.lib.utils import round_half_up
+import yaml
+from api.lib.utils import lru_with_ttl, round_half_up
 from api.models.external_print_product import get_external_print_product
 
 
+@lru_with_ttl(ttl_seconds=3600)
+def get_adjustment_config():
+    with open("api/resources/price-adjustments.yaml") as f:
+        return yaml.load(f, Loader=yaml.FullLoader)
+
 def wallpaper_m2_price(
     material,
     market,
@@ -29,6 +34,13 @@ def wallpaper_m2_price(
     price *= market.exchange_rate
     price *= market.price_adjustments
 
+    adjustment_config = get_adjustment_config()
+
+    inquiry_or_product_key = "product" if inquiry is None else "inquiry"
+
+    adj_value = adjustment_config.get(material.name).get(inquiry_or_product_key).get(market.name, 1.0)
+    price *= adj_value
+
     if inc_vat:
         price *= market.vat
 
diff --git a/api/resources/price-adjustments.yaml b/api/resources/price-adjustments.yaml
new file mode 100644
index 0000000..fb9380c
--- /dev/null
+++ b/api/resources/price-adjustments.yaml
@@ -0,0 +1,20 @@
+standard-wallpaper:
+  inquiry:
+    IT: 1.1034
+    GB: 1.1154
+    DE: 1.0625
+  product:
+    GB: 1.1154
+    DE: 1.0625
+premium-wallpaper:
+  inquiry:
+    IT: 1.1250
+    SE: 1.0462
+    GB: 1.1034
+    DE: 1.1143
+    NL: 1.0833
+  product:
+    GB: 1.1034
+    DE: 1.1143
+    SE: 1.0462
+    NL: 1.0833
diff --git a/requirements.txt b/requirements.txt
index f5ddbbc..fc95032 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,3 +22,4 @@ python-dateutil==2.8.1
 s3transfer==0.3.3
 six==1.14.0
 urllib3==1.25.8
+PyYAML==6.0