Given the following information on the available options, you need to hedge the underlying commodity as a producer with a zero-cost collar. A zero-cost collar means buying a put option and writing a call option that has the closest premium to the put. The underlying price is $630. You choose a one-year put option with $620 strike.

Jan-21-64	Expire	Strike	Call		Put
PV
630	Jan-21-65	500	158.4511		25.58539
630	Jan-21-65	530	138.3005		35.22183
630	Jan-21-65	560	120.0379		46.75599
630	Jan-21-65	590	103.6494		60.17585
630	Jan-21-65	620	89.07566		75.42293
630	Jan-21-65	650	76.22209		92.40239
630	Jan-21-65	680	64.96979		110.9945
630	Jan-21-65	710	55.18534		131.0646
630	Jan-21-65	740	46.72803		152.4702
630	Jan-21-65	770	39.45681		175.0686

What is the strike of the call option that you need to write to create a nearly zero-cost collar?

	a.	650
	b.	710
	c.	740
	d.	680