Consider the following code snippet, depicting an Azure component:

Which two interfaces can the developer implement to make the component available as a quick action?
Choose 2 answers

A Salesforce developer is hired by a multi-national company to build a custom Lightning application that shows employees their employment benefits and earned commissions over time. The application must acknowledge and respect the user's locale context for dates, times, numbers, currency, and currency symbols.
When using Aura components, which approach should the developer implement to ensure the Lightning application complies with the user's locale?

Consider the Apex controller above, that is called from a Lightning Aura Component.
What is wrong with it?

A user receives the generic "An internal server error has occurred" while interacting with a custom Lightning Component. What should the developer do to ensure a more meaningful message?

Refer to the Aura component below:

A developer receives complaints that the component loads slowly.
Which change can the developer implement to make the component perform faster?