$6)$ Mustapha Corporation bought $90\%$ of Sedacor Company's common stock at its book value of $$400,000$

on January $1,2014.$ During $2014,$ Sedacor reported net income of $$130,000$ and paid dividends of $$40,000.$

At what amount should Mustapha's Investment in Sedacor account be reported on December $31,2014?$

A$)$ $$400,000$

B$)$ $$481,000$

C$)$ $$490,000$

D$)$ $$530,000$