USD vs AUD

USD vs AUD

Hi Guys

We buy in fixed USD, but we sell and pay in AUD with FX Rate changes 

eg.widget 1 is $100 USD (never changes) but we pay AUD $142

What id like to do is use the unit price in USD for PO etc in the products module, and be able to quote in AUD to the customer.

I am assuming that maybe I should set up our home currency as USD and toggle in the quote section to AUD for the selling price (also using price books for the list price and discounts etc).

Am i correct?

One final question, if I do change to USA as home will this update all the pricing to USD automatically.

ty