Just need help on this one question

I will rate!

Many thanks and God bless!!!

Galley Company, a manufacturer of small kitchen appliances, had the following activities, allocated costs, and allocation bases: Activities Allocated Costs Allocation Base Account inquiry (hours) $63,000 2,100 hours Account billing (lines) $46,000 19,000 lines Account verification (accounts) $19,000 30,000 accounts Correspondence (letters) $10,000 1,000 letters The above activities are carried out at two of its regional offices. Activities Northeast Office Midwest Office Account inquiry (hours) 120 hours 250 hours Account billing lines) 12,000 lines 9,000 lines Account verification (accounts) 1,400 accounts 600 accounts Carrocnondonca lottore) 150 lottare 7 lattore O A. $21.90 OB. $30.00 O C. $3.32 OD. $2.42 Account inquiry (hours) $63,000 2,100 hours Account billing lines) $46,000 19,000 lines Account verification (accounts) $19,000 30,000 accounts Correspondence (letters) $10,000 1,000 letters The above activities are carried out at two of its regional offices. Activities Northeast Office Midwest Office Account inquiry (hours) 120 hours 250 hours Account billing (lines) 12,000 lines 9,000 lines Account verification (accounts) 1,400 accounts 600 accounts Correspondence (letters) 70 letters 150 letters What is the cost per line for the account billing activity? (Round your answer to the nearest cent.) O A. $21.90 OB. $30.00 O C. $3.32 OD. $2.42