a$.$Is this firm operating in the short$-$run or long$-$run? How do you know? $(5$pt$)$

b$.$Calculate this firm$’$s accounting profit. $(5$pt$)$

c$.$From the diagram, what is the productively efficient output for this firm? $(5$pt$)$

d$.$From the diagram, economies of scale are maximized at which output level? Explain. $(5$pt$)$

e$.$From the diagram, what is the allocatively efficient output for this firm? Explain. $(5$pt$)$