What is the measure of arc efc in circle g

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.)

In a sale there is 25% of all prices a chair costs £45 in sale how much was it before the sale

Ineed the answers for this one as well!