Final answer:
To combine the given sentences, you can use a complex sentence structure. Here is one way to do it: The buyer needs to reach a decision as they can compare these two computer types in terms of their overall cost, convenience, and style.
Step-by-step explanation:
To combine the given sentences, we can use a complex sentence structure. Here is one way to do it:
The buyer needs to reach a decision as they can compare these two computer types in terms of their overall cost, convenience, and style.
In this sentence, the main clause is 'The buyer needs to reach a decision,' and the subordinate clause is 'as they can compare these two computer types in terms of their overall cost, convenience, and style.'