Please explain step by step how to get to the correct answer. Thank you so much!!

A centralized Legal Department of Exline Company has expenses of $500,000. The department provided a total of 2,000 hours of service for the period. The Northern Region used 575 hours of legal service, and the Southern Region used 1,425 hours of legal service during the period. How much should the Southern Region be charged for legal services? a.$143,750

b.$212,500

c.$356,250

d.$250,000