An agreement between an employer and a union in which the employer agrees not to force employees to handle goods or materials going to or from a second employer deemed by the union to be unfair is called a/an

Zane's vanes is a service that restores old weather vanes. zane has just spent $125 purchasing a 1920s-era weather vane which he expects to restore and sell for $500 once the work is completed. after having spent $125, zane realizes that he will need to spend an additional $200 on materials to complete the restoration. alternatively, he can sell the weather vane without restoring it for $200. what is his marginal benefit if he sells the weather vane without restoring it?