Pluto Corporation Purchased Saturn Corporation's Assets and Liabilities for $4,500,000

Pluto Corporation purchased Saturn Corporation's assets and liabilities for $4,500,000 in cash. Saturn's reported assets and liabilities have the following fair values at the date of acquisition:
$$\begin{array} { | l | c | } \hline & \begin{array} { c } \text { Fair Value } \\\text { Dr (Cr) }\end{array} \\\hline \text { Cash, receivables } & \$ 5,000,000 \\\hline \text { Inventory } & 7,000,000 \\\hline \text { Land and buildings } & 30,000,000 \\\hline \text { Liabilities } & ( 40,000,000 ) \\\hline\end{array}$$ Saturn also has brand names, with a fair value of $4,000,000, that are not reported on its balance sheet. The gain on acquisition is:

A) $3,000,000
B) $1,500,000
C) $-0-
D) $5,500,000