The ratio of the number of boys to the number of girls in a theatre is 7:9. If there are 56 boys in the the theatre, select all of the true statements. * There are 63 girls in the theatre. The ratio of girls to total people is 9.16. There are 72 girls in the theatre. The ratio of boys to total people is 7:16​

2. using calculations based on a perpetual inventory system, determine the inventory balance altira would report in its august 31, 2021, balance sheet and the cost of goods sold it would report in its august 2021 income statement using the average cost method. (round "average cost per unit" to 2 decimal places.)