A firm produces two types of calculators each week, x of type A and y of type B. The weekly revenue and cost functions (in dollars) are as follows. R(x,y) = 110x + 180y + 0.02xy- 0.07x2 -0.04y? C(x,y) 6x +6y + 20,000 Find Py(1100,1800) and Py(1100,1800), and interpret the results.

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