its 2021 annual report to shareholders, Health Foods, Inc., disclosed the following information about some of its indebtedness: The fair value of convertible subordinated debentures is estimated using quoted market prices. Book amounts and estimated fair values of our financial instruments other than those for which book amounts approximate fair values as noted above are as follows (in thousands)

	2021								2020
	Book Amount				Estimated Fair Value				Book Amount				Estimated Fair Value
Convertible subordinated debentures	$	158,791			$	295,923			$	151,449			$	200,396

In addition, the company disclosed the following: We have outstanding zero coupon convertible subordinated debentures which had a book amount of approximately $158.8 million and $151.4 million at September 26, 2021, and September 28, 2020, respectively. The debentures have an effective yield to maturity of 5 percent and a principal amount at maturity on March 2, 2035, of approximately $308.8 million. The debentures are convertible at the option of the holder, at any time on or prior to maturity, unless previously redeemed or otherwise purchased. The debentures have a conversion rate of 10.64 shares per $1,000 principal amount at maturity, representing 3,285,632 shares. The debentures may be redeemed at the option of the holder on March 2, 2025, or March 2, 2030, at the issue price plus accrued original discount totaling approximately $188 million and $241 million, respectively. Required: Suppose that half of the bondholders had converted them into Health Foods' stock at the end of the 2021 fiscal year when the stock price is $90 per share. What gain or loss from this conversion would Health Foods have recorded on the transaction using the book value method? The market value method?