At the beginning of 2020, Rodlin Inc. has two assets in Class 8. The cost of each asset was $970 and the Class 8 UCC balance on January 1, 2020 was $160. On July 31, 2020, one of the assets was sold for $650. There are no other additions or dispositions prior to the Company's December 31, 2020 year end.

What is the amount of the increase in the Company's net business income as a result of this disposition? Enter as a positive number.