Direct labor costs and indirect production labor costs also belong in business case analysis when the case looks forward to different product sales under different scenarios. Higher sales revenues normally require higher direct and indirect labor costs to produce the additional product units sold.
The prepaid Priority Mail envelope is $4.80 and can be purchased online in a lot of 10. USPS also offers ordinary letter sized envelopes. These are also charged the cost of postage plus a fee for the envelope which is around 5Â¢. You can purchase these one by one at your Post Office or you can order in boxes of 500 that are imprinted with your return address. There are also prepaid Aerograms for International Mail. Contact your local Post Office for the exact costs involved with Pre-Paid envelopes. Source(s): 24 year Postal Worker.
You know how far way you are sending it to.   The express mail flat rate envelope costs $16.50. Otherwise, price is based â¦ on weight and where. For example, sending a box that weighs between 0.5 and 1 pound will cost between $14.55 and $23.40 depending on where you send it. 9 people found this useful.