There are four consumers willing to pay the following amounts for haircuts

Jerry: $$7$ Oprah: $$2$ Ellen: $$8$ Phil: $$5$

There are four haircutting businesses with the following costs:

Firm A: $$3$ Firm B: $$6$ Firm C: $$4$ Firm D: $$2$

Each firm has the capacity to produce only one haircut.

For efficiency, how many haircuts should be given? Which Business should cut hair and which consumers should have their haircut? How large is the maximum possible total surplus?