Is this correct?

Account inquiry (hours) $71,000 2,100 hours Account billing (lines) $31,000 17,000 lines Account verification (accounts) $18,000 27,000 accounts Correspondence (letters) $12,000 1,200 letters The above activities are carried out at two of its regional offices. Activities Account inquiry (hours) Account billing (lines) Account verification (accounts) Correspondence (letters) Northeast Office 100 hours 15,000 lines 1,800 accounts 60 letters Midwest Office 250 hours 7,000 lines 600 accounts 140 letters What is the cost per hour for the account inquiry activity? (Round your answer to the nearest cent.) O A. $0.67 OB. $1.82 O C. $33.81 OD. $10.00