Table 23-6 is missing from the top of the page:

Table 23-6: Strategy A: Buy $1m 20-year 6% T-Bonds on the run at 100:00
Jan	buy 20yr 6% T-Bonds at 100:00	- $1,000,000.	- $1,000,000.
July	If interest rates are:	5%	7%
	coupon [$1,000,000 * 0.06/2]	+ $30,000.	+ $30,000.
	sell 19.5 yr 6% T-Bonds at 5% [112:12]	+ $1,123,750.
	sell 19.5 yr 6% T-Bonds at 7% [89:14]		+ $894,375.
		------------	------------
	Profit	+ $153,750.	- $75,625
	Rate of return (semi-annual)	+ $15.3750%	- $7.5625%