Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to choose the right phone card [title] Determine the rate of the card offered to your calling destination (typically shown as ¢/min)? [step] Confirm rates before you call and remember that some rates may fluctuate. Also, calls made to international cell phones are generally billed at a higher rate. [substeps] Do the rates vary depending on the hour of the day? Be sure that the rate you receive remains constant throughout the entire day.

Ending1: If you are working, for example, you may not receive a 0 or slightly lower rate. [title] Find out where the local area phone number is located. Ending2: Unless otherwise stated, the advertised rate should be constant no matter what time of day. [title] Consider the minute billing or minute rounding schedule for the card. Ending3: Be sure to first factor in your language. If you cannot speak english very well, try to get a basic understanding of english: in spanish, afrikaans and chinese. Ending4: However, you should never overpay for international cards. Round-trip cards (such as brand name sd cards) pass into american euros when they arrive.

Answer format: ending1/ending2/ending3/ending4