As a manager of a financial planning business you have two financial planner?

As a manager of a financial planning business you have two financial planner. In an hour, Phil can produce either one financial statement or answer 10 phone calls, while Francis can iether produce 3 financial statements or answer 12 phone calls. Deoe either person have an absolute advantage in producing both products? Should these two planners be self-sufficient or specialize?

Francis has an advantage.

They should be specialized.
Francis should make the financial statements and Phil should answer the phones.