If Nasa where to sink a large tube down a few miles into one of the deepest parts of the ocean or a spiral tube not so deep. Then fit electromagnetic monorail running gear to a sledge and then put a space cargo vehicle inside the sledge. With ball valves to compartmentalise the tube off to keep a constant pressure with inert gases as the space shuttle accelerates using electromagnetism to gain altitude and then loses the sledge. Next fires it's main rocket engines to carry on up to space. Would this idea work and would it save money on fuel if the space cargo vehicles where only say 5 ton cargo holds. Also they could be reusable with their rocket engines.

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Dear Experts, I need your help in deriving a formula for calculating three taxes with a combination of cumulative and inclusive tax. Here are the examples with expected result. Please let me know the formula on how to get the given result. Example1: Total Product Value (V) = 1000 (with inclusive of all 3 taxes and below mentioned cumulative combinations) Tax1 rate is 10% and Tax1 is inclusive. Tax2 rate is 10% with Tax2 is inclusive and cumulative of Tax1 Tax3 rate is 10% with Tax3 is inclusive and there is no cumulative of Tax1, Tax2 Expected Results are: Tax1=76.34 Tax2=83.97 Tax3=76.34 Let me know formula to derive above values? Example2: Total Product Value (V) = 1000 (with inclusive of all 3 taxes and below mentioned cumulative combinations) Tax1 rate is 10% and Tax1 is inclusive. Tax2 rate is 10% with Tax2 is inclusive and cumulative of Tax1 Tax3 rate is 10% with Tax3 is inclusive and cumulative of Tax2 Expected Results are: Tax1=75.70 Tax2=83.27 Tax3=84.03 Please let me know formula to derive above values? Thanks in advance.

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