C owns $10\%$ of the issued shares of $Q$ Ltd$.$ The shares owned by $C$ have an ACB of $$70,000$ and PUC of $$7,000.$ D$,$ a third$-$party purchaser who does not currently own any shares of $Q$ Ltd$.,$ intends to purchase $20\%$ of the shares owned by $C$ for $$600,000.$ After the purchase, what is the PUC of the shares owned by D$?$