John bought 500 shares of a company at $26 per share on margin by borrowing the maximum possible amount. After 2 months the stock price suddenly decreases to $15. How many shares is John required to sell to bring his account in order. Assume initial margin of 60% and maintenance margin of 45%? Assume there are no other securities in the account.

		a. 160 shares
		b. 117 shares
		c. 169 shares
		d. 98 shares