Mr. X wants to organize a musical show and spent INR 1 Cr on this. He outsourced the job of selling tickets to an online merchant, say EVENTZ4U, at INR 1000 per ticket as basic rate. Eventz4u’s commission is 2%. Eventz4u’s commission turnover is less INR 20 lacs and so not required to be registered. Being entertainment, GST is 28%. Now below are queries:
Prove n(A U B U C) = n(A)+ n(B)+ n(C) - n(A intersection B ) - n(B intersection C) - n(A intersection C) + n( A intersection B intersection C )