q1. what is your contract type 1.personal offers/prepaid card 3.companies offers/prepaid card 2.personal offers/postpaid card 4.companies offers/postpaid card q2. based on your past exprince with tel.company how you judge the following? good fair poor ---- ---- ---- 1. price 1 2 3 2. service quality 1 2 3 3. after sales services 1 2 3 4. billing 1 2 3thanks