Cheyenne Corp. operates in Ontario, selling a variety of goods. For most of these goods, Cheyenne must charge 13% HST, for some they only have to charge 5% HST; while a very few are tax exempt. During June of this year, the company reported sales of $210000, on which 70% were charged 13% HST, 25% were charged only 5% HST, and the rest were tax exempt sales. The total amount of HST collected in June was $10500. O $21735. O $19110. O $27300