Final answer:
The user story 'As a taxpayer, I want to have my tax liability automatically calculated for me because it is tedious and error-prone to calculate by hand' is structured correctly following the standard template for user stories in software development.
Step-by-step explanation:
The user story that follows the template described in class is: c. As a taxpayer, I want to have my tax liability automatically calculated for me, because it is tedious and error-prone to calculate by hand. This user story is structured as per the standard user story template employed in software development and it includes three crucial components: the type of user, the goal or the functionality they want to achieve, and the reason behind this need.
It is clear that user stories are a brief description of a feature from an end user's perspective. They follow a simple template and articulate how a piece of work will deliver a particular value back to the customer. When considering the implementation of tax liability calculations, the requirement is for the system to facilitate a service that reduces the complexity for the taxpayer, adhering to principles of an efficient tax system.