Explain the purpose of a job interview for both the employer and the applicant

It shows the employer what you can do for the company, and it gives you an opportunity to assess whether your qualifications and career ambitions align with the position. ... When both parties listen intently and speak accurately, there is much to gain from the job interview process.

I would give excellent customer service to every customer that walks in so they will spread the word that this store has great service, this will bring in more customers that need parts. I would also recommend to the manager to market the store by offering free gifts if they spend 50 dollars or more, or give out some sort of incentives, maybe a punch card, if you get 10 punches, you can have 50% off your next order.