In the left-hand menu under "Settings" select "Pricebooks."
Click the "New Pricebook" button in the upper right.
Add an appropriate name and select your desired currency.
If desired, add additional currencies.
Click "Done." Your Pricebook should now be listed.
Open the item in your catalog where you wish to add pricing.
Locate the "Pricing" section in the lower right-hand corner.
From the dropdown menu, select the pricebook you created.
Add appropriate values for each currency. Click "Save item."
NOTE: If your configurator includes item selections with an additional cost, those are calculated in the preview window.