Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to tip your uber driver [title] Determine how happy you are with your ride. [step] Uber now has a way to send tips right through the app, and they advise using it. [substeps] Rate your ride on the uber app you have on your phone.

Ending1: If your ride is lighter around the ride times, you may not be able to tip it much. Riders may try to tip the uber driver via place-calling only, tapping the dial, clicking on the call button or trying to access their personal e-mail list. Ending2: Your train routes will be marked " primary " as your train time, and the train schedule will be marked " main " as your ride time. Indicate which stops you would like your driver to be scheduling ahead of time, and then change the schedule to a time that feels convenient to you. Ending3: Look for the " add a tip for (name) " section underneath the button for " give a compliment ". Tap the dollar amount you'd like to apply as a tip to the driver or tap the " enter custom amount. Ending4: The normal rate on the uber app is 20 , 000 +. Low-total tips on the app can get a bit misleading.

Answer format: ending1/ending2/ending3/ending4