Please answer correct explain plz asap both are questions please

Don't answer by pen paper plz.

If price falls by 3 percent and price elasticity of demand is 2.0, then quantity demanded will rise by what percentage? O1 60 06Question 20 If price elasticity of demand is 0.6, then a 10 percent increase in the price of the good will lead to a in the quantity demanded. 60 percent decrease 60 percent increase 6 percent increase 6 percent decrease Question 21 ( Which of the following is not a determinant of demand? Desire for the good The cost of factor inputs The price of other goods, such as complements and substitutes Income of the consumerQuestion 3 If price increase by 5 percent and quantity demanded decreases by 2 percent, the absolute value of price elasticity of demand is 2.1 5.0 O0.4 10.0 Question 4; If total utility from the first unit of consumption is 15, the marginal utility from the second unit is 9, total utility at the third unit of consumption is 30, and the marginal utility of the fourth unit is 3, when does diminishing marginal utility occur? O With the second and fourth units only O Only with the second unit With the first and third units only With all units after the first