c) AT&T based US subsidiary will announce a $1.50 per share cash dividend on June 1, 2022. It is noted that June 16 and 20 are local holidays because of Corpus Christi and Labor Day respectively. If June 22 is the date-of-record, what would have been the ex-dividend date? What would be the ex-dividend stock price if the price before the ex-dividend date is $18 per share? The calendar month of June 2022 is shown below for reference. OOOO June 2022 1 2 6 7 8 12 13 14 15 18 17 19 20 21 22 23 24 26 27 28 29 30 11 18 25