please help

22. DETAILS The wholesale price p of e-tablet writing styluses in dollars is related to the supply x in thousands of units by 300p2 - x2 = 4799, If 1,000 styluses are available at the beginning of a week, and the price is falling at 5 cents per week, which one of the following statements is true? O Supply is rising at 600 styluses per week O Supply is falling at 60,000 styluses per week O Supply is rising at 60,000 styluses per week O Supply is falling at 45,000 styluses per week O Supply is rising at 45,000 styluses per week