This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to start a janitorial service
Set yourself apart.
The business owner should work personally when starting the business to assure quality standards are met, because reputation is the main ingredient for success. When you begin to hire employees, they must be trained to meet the high standard your customers will expect.

Choices:
(1). Also, it is a great idea to do the things other janitorial services do not offer (i.e. doing windows, cleaning litter boxes, cleaning your refrigerator, or car), because that makes your business unique meeting individual needs.;
(2). The business owner should develop strategies for recruiting new clients and promoting market research skills and statistics. Inform your employer of your needs, the objectives of your business, and your current employees.;
(3). This means an entry level position will seem less intimidating. The company should have a long history as well.;
(4). You need to use your personal experience and skills to train employees. It is more helpful to have employees from various industries as well.;
The answer is:
(1).