1. Design a C++ program named (permu_combi.cpp), that presents a menu to select to calculate permutation or combination for two integers, as example The menu will show: Please select: 1. Calculate...

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Extracted text: 1. Design a C++ program named (permu_combi.cpp), that presents a menu to select to calculate permutation or combination for two integers, as example The menu will show: Please select: 1. Calculate Permutation 2. Calculate Combination 0. Exit Notes: а! Permutation P formula is: P(a, b) (а-b)! P(a,b) Combination C formula is: C(a, b) b! Where x! = (x) * (x – 1) * (x – 2)... (3) * (2) * (1) Break the program into functions/sub-components, at least 3 (main as default, permutation calculation, and combination calculation) These functions/sub-components must all have the appropriate parameters. Upload the C++ source file (permu_combi.cpp),