In a survey conducted at the Kumasi Technical Institute, the percentage of students studying various courses were found to be as follows: Leatherworks only, 18%, leatherwork, 26%, plumbing, 48%. Plumbing and Graphic Design but not leatherwork, 5%, Leatherwork not Graphic Design, 23%. Leatherwork and Plumbing, 8%. 24% of the students studied none of these courses. Find the percentage of studying the following using Venn diagram Graphic design only Plumbing only Leather work and graphic design All three courses

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