Question: How much does it cost to send an envelope with 1-week delivery from Rio de Janeiro to NYC with DHL, USPS, or Fedex? (Format your answers as a list of jsons with the keys "sender" and "price (usd)" for each option you find)
Answer: {"sender": "DHL", "price (usd)": "55-70"}
{"sender": "Fedex", "price (usd)": "62-95"}
{"sender": "USPS", "price (usd)": "73.4-78.15"}
Explanation: You need to access the DHL, Fedex, and USPS online calculators. For USPS, there is no online calculator, and you need to (1) find the shipping group (8 or 13), then (2) find the price for the group for 1 week envelope delivery