Please solve this problem and give me correct answer please

Tasks 1. Theme: " Elasticity of supply and demand." Task 1. Table: The amounts of product demand at different price levels. Price per product Demand (units) Income (Ls) Coefficient of unit price elasticity 2,10 10 1,80 20 150 30 1,20 40 0,90 50 0,60 60 0,30 70 1 . Determine the revenue at every price. Fill in the table. Calculate the coefficient of point price elasticity for the given price intervals. Compare the indices of coefficient and income Task 2. Table: Price dependence on demand. What is the average arc elasticity of demand at the price intervals of 1Ls - 2Ls, 4 Ls - 5Ls? Price Amount of P demand O 1 8 2 3 6 4 N C UT Task 3 Determine the coefficient of arc elasticity, if it is known that: when the revenue is 20 thousand Ls/month, the amount of product demand is 10 tons; when the revenue is 30 thousand Ls/month, the amount of product demand t is 15 tons. Task 4 Determine the coefficient of average cross elasticity of demand after the price, if it is known that: when the price of product X = 4 Ls the amount of product demand is Y = 10 thousand units; when the price of product X = 5 Ls the amount of product demand is Y = 8 thousand units