When you write a paper or a book, it's important to include a bibliography. A bibliography tells your reader what sources you've used. It lists all the books, articles, and other references you cited in or used to inform your work. Bibliographies are typically formatted according to one of three styles: American Psychological Association (APA) for scientific papers, Modern Language Association (MLA) for humanities papers, and Chicago Manual of Style (CMS) for the social sciences. Make sure you always check with your superior - whether a professor or boss - about which style they prefer.
B.) phone call because when you call the angry customer you can talk to them and work it out. If you do the others it will be complicated and calling is more easier. In my opinion I will call.
The answer is B. because solar panels produced in chine is 15 percent less that those in america and solar energy price is going own so does the price for installation
