The <span>type of rhetoric is used in the following sentence is C.Logos. Hope I got it correct</span>
Legal contracts provide incentives for people to exchange goods and services by allowing fair trade and consequences to come into effect if one party doesn't meet the legality of the contract. Both parties of the exchange are given guidelines to follow as well as the rewards and ramifications of certain actions.
I hope this helps!
The persuasive technique used in the example given above is emotional appeal because it is trying to connect with the consumers emotions by asking about the cellphone that they are using. By doing that, they are trying to tell the consumer that their product can give a better service than the current product that they own.