On July $1,20$X$0,$ DEF paid $500$ in cash to UVW$$s shareholders in exchange for all of UVW$$s shares. Immediately before the acquisition, UVW$$s: $(1)$ identifiable assets had a carrying value of $100$ and a fair value of $300$ and $(2)$ identifiable liabilities had a carrying value of $125$ and a fair value of $125.$ What effect did the acquisition have on DEF Inc.$$s assets?

DEF Inc$$s assets decreased by $500.$

DEF Inc$$s assets did not change.

DEF Inc$$s assets increased by $125.$

DEF Inc$$s assets increased by $325.$

DEF Inc$$s assets increased by $625.$