Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to burn a cd on a macbook [title] From the itunes " file " menu, select " new playlist ". [step] Type a name for the playlist and press enter. [title] Drag the songs you want to appear on the cd into the playlist.

Ending1: [step] Some files that you drag into itunes may go online under sources and types, such as " electronic media, " " e-mail spam, " and " youtube video " in itunes. [title] Continue holding down the allow start button. Ending2: [step] Songs can be in any format, but to preserve the high-quality, lossless audio found on the original disc, it is recommended that the original files be ripped to apple lossless or aiff format. [title] Click the " burn cd " button at the bottom of the playlist window. Ending3: [step] You can sync songs automatically using the button. [title] Plug in your macbook and start playing. Ending4: [step] You can display them from your dock on the playlist screen. [title] Click open " music " on the left frame when it appears in your playlist window.

Answer format: ending1/ending2/ending3/ending4