A product produced in a joint process can either be sold as is or processed further. If sold as is, 1050 kilograms can be sold at $12.31 per kilogram. If processed further, then only 618 kilograms can be sold at $20.20 per kilogram. The cost to process further is $1775. What is the incremental benefit (cost) of processing further? Select one: a. $ 10709 b. $-2217 c. $-1333 d. $ -442