8. Horse race sold 3,000 tickets in October at a sales price of SAR90 per ticket. The monthly fixed cost is SAR 10,000. Calculate fixed cost per ticket. 9. Assume XYZ Company has net sales of $800,000 in 2019 and 700,000 in 2018. compute the percentage change for the period: 10. Assume ALBADR Company has net sales of $900,000 in 2019 and 800,000 in 2018. the dollar amount of change in sales from 2018-2019 is 11. Total current assets are SR 5,000,000 and total current liabilities are SR 2,500,000. Calculate the current ratio. 12. The horizontal analysis for the Gross profit, if it is in 2019: SR 400,000 and in 2018: SR355,000 and in 2017: SR294,000, find out the change in amount and percentage in 2018