How to mask prices with Endicia module

[coca cola]

We've just started to use the Endicia module in Miva 5.5 Update 12 to generate USPS labels. How do you mask the prices?

[PicturesqueWeb]

I have an Endicia account and have activated the module in MM. I have entered the correct account number, temporary passphrase, and selected the services...

[jeanne-inc]

I use a return address label on my Endicia account that has my business logo. With the Miva 5 Endicia, I do not see how/where to select this label rather...