You think that you have isolated ibuprofen in the lab. since you don't totally trust your own laboratory techniques, you want to prove to yourself that you have ibuprofen before you ingest it. using only melting point techniques, explain how you can prove that you actually have ibuprofen.

Telecom co. enters into a two-year contract with a customer to provide wireless service (voice and data) for $40 per month. to induce customers, telecom co. provides a free phone. telecom co. normally sells the phone on a stand-alone basis for $200. telecom co. also charges the customer a one-time activation fee of $35.which of the following is true? a) there are two distinct performance obligations: the voice service and the data service b) the free phone constitutes as a marketing expense c) the activation fee is a separate performance obligationd) there are two distinct performance obligations: the wireless services and the phone