Suppose That All Workers Value a Safe Job $2,000/year More

Suppose that all workers value a safe job $2,000/year more than a risky job.The cost of safety is $700 per worker.Firms currently pay $35,000 per year to workers,without any effort to improve safety.
Suppose new firms began to offer workers $34,000 per year and safer jobs.The total benefit to workers of the existing firms' offer is __________ and the benefit of the new firms' offer is __________.

A) $0;$1,000
B) $1,000;$1,000 00
C) $33,000;$34,000
D) $35,000;$36,000