Please choose the correct ending to complete the given sentence: Finance and Business: [header] How to use electronic signatures on online contracts [title] Search for e-signature providers. [step] There are dozens of online services which provide e-signature platforms. To find them, you should search the internet for " electronic signature provider.

Ending1: " [substeps] You can find the name of the company on the electronic signature provider website. If you use a smartphone app, you should select its icon using the search bar at the top of the screen. Ending2: " there are thousands of e-signature providers on the internet. If you cannot find a signature, then simply look in the " use mls " sources for most e-signature providers. Ending3: " some of the more popular e-signature providers include : [substeps] Sertifi rightsignature esignly docusign signix [title] Sign up for a free trial. [step] Many e-signature providers allow you to use a free trial. Ending4: " these are considered powerful devices that allow you to print off multiple versions of an agreement online. [substeps] A typical example of e-signature providers is e-signature maker.

Answer format: ending1/ending2/ending3/ending4