Write the next sentence in the following story.

How to add a printer to google chromebook
Connect your printer to either a windows or a mac computer first.
Press the printer's power button to switch it on once it's connected.
Open the google chrome web browser.

Available choices: I. Select " start " then " windows " from the options displayed on the right of chrome. Type " chromebook " on the search bar, then type the name of the printer you want to use for the gadget.; II. You can search for this page in any search engine by clicking the google chrome icon. Type chromebook into the search bar at the top of the browser window.; III. You can also download this program from the microsoft web store (however, you'll have to navigate to the store's website). If you've never used chrome before, you'll need to find it in your google chrome profile.; IV. Do this on the windows or mac computer where the printer is connected to. Click the chrome's menu button.;. The answer should be
IV.