Consider the following theoretical model Y₁ = xß + ε Ei = 0.8i-1 + U₁ ui~N(0,0.72) You are told that var (ɛ;) = o² for all i and that E (ɛ¡ [X;) = 0. You have the following information: Y= [0 2 1 1 0]', x= [0 1 0.8 1 0]'. Calculate the GLS estimate of B. (Hint: transform the data)