I am in first year of university if it's possible can the answers be kept at that level please?

Question 3 (15 points) The weekly cost (in dollars) to manufacture it bicycles and y tricycles is: C(x,y) = 20,000+60x+20y+50J,Ty Determine the marginal cost of a bicycle (2 points) Determine the marginal cost of a tricycle (2 points) Determine the average cost EU, y) ( I points} Determine the marginal average cost of a bicycle at a production level of ve bicycles and ve tricycles (2 points) Determine the marginal average cost of a tricycle at a production level of five bicycles and ve tricycles (2 points) Determine the following second order partial derivatives '3 '3 "1| a- 53 a- a- .,C ,2', C\" , C , dC., 6 '1'.' 6x" (x }) axay (r y) avax (x y) an fly; (it y) ( pom 3} Question 4 (13 points) Diamond Fumishing inc. is about to start selling a new import coffee table. It estimates the demand curve to be it} = D (p) = l, 000J200 2p . The willingness to order such a table is given by the supply curve q = S(p) : 1,000 10;) 400 . a} b) c) 0') Determine the equilibrium point (5, E) (2 points} Determine the consumers' surplus at the equilibrium price (5 points) Determine the producers\" surplus at the equilibrium price (5 points} Determine the resulting social gain (I point)