Please choose the correct ending to complete the given sentence: Finance and Business: [header] How to collect money owed for work done [title] Research your customer's credit before doing business with them. [step] When you do a large job for someone, consider running a credit check first. It is not that hard to get set up to retrieve credit reports.

Ending1: [title] Choose a logical approach to drafting an invoice. [step] This style of drafting, rather than simply telling them how much they can do without paying, is quite intuitive. Ending2: However, you should be sure you know what your customers are going to do, before doing so. You should analyze exactly how much they owe you and what their credit score should be. Ending3: It takes time to properly evaluate the deal and determine if you have enough money to pay off. By doing a small job at first, you can avoid extra hassle and significantly lower the price of the item you collect. Ending4: You may find out that the customer has a habit of not paying their debts, so it's worth it to check before entering into a deal with them. [substeps] You can also use the risk of not being paid as a justification for raising your fee.

Answer format: ending1/ending2/ending3/ending4