$5.$ On November $30,2020,$ Singh Inc., made the journal entry to record the exercise of a call option it purchased on May $1,2020$ for $\backslash (\backslash$$ $9,500\backslash ),$ which gave it a right to purchase shares of Balsa Inc., for $\backslash (\backslash$$ $10\backslash )$ each until December $31,2020.$ The fair value of the call option was last updated on October $31,2020.$ The following journal entry was made:

DR $....$ Investment$-$ Balsa Inc., Common Shares $........\backslash$$$145,000$;

CR $.....$ Derivative $-$ Call Option $........\backslash$$$18,000$;

CR $.....$ Cash $........\backslash$$$100,000$;

CR $.....$ Gain on Derivative $-$ Call Options $........\backslash$$$27,000.$

Determine the market value of Balsa shares on November $30,2020,$ the number of shares purchased, the total overall gain or loss from the call option and the fair value of the call option on October $31,2020.$