Which represents the best way to compose experience statements? ? a.Responsible…

Which represents the best way to compose experience statements?
?      a.Responsible for inputting data for more than 35 accounts into QuickBooks
?      Experienced with creating monthly billing statements to mail to customers
?      As receptionist, I answered customer billing questions, wrote e-mails to vendors
?      b.Input 35+ accounts receivable using QuickBooks
?      Prepared monthly billing statements and mailed them to customers
?      Answered phones in busy office, referred customer billing questions to appropriate staff, and wrote e-mails to vendors
?      c.Used QuickBooks to input accounts recievable
?      Prepare monthly billing statements for customers
?      Conducted general office duties such as phone inquiries, referring customers to proper staff, and I also wrote e-mails to vendors