given the following information please help me:

QD = 20 2P

QS = 2P + 4

after a new tax:

Q's = 2(P 4) + 4

P1= 4, Q1 = 12, CS1 = 36, PS1 = 40, TS1 = 76

P2 = 6, Q2 = 8, CS1 = 16, PS1 = 16, TS2 = 32

please help me calculate the rest, any help is great!

(k) What is the welfare loss for consumers?

(l) What is the welfare loss for producers?

(m) What is the total welfare loss?

(n) What is the dead-weight loss for consumers?

(o) What is the dead-weight loss for producers?

(p) What is the total dead-weight los?

(q) What is tax revenue collected from consumers?

(r) What is tax revenue collected from producers?

(s) What is total tax revenue collected ?

(t) What is the relative share of consumers in the tax burden?

(u) What is the relative share of producers in the tax burden?

(v) What is the point price elasticity of demand at the initial equilibrium?

(w) What is the point price elasticity of supply at the initial equilibrium?

(x) how can we use the point price elasticities to determine the relative tax burden for consumers and producers?