Problem 3.  Maria Bakery sells cupcakes.  The production of cupcakes takes both raw ingredients, and l is hours of labor.  The daily production function for cupcakes is given by   q = ½ * g * l + l^2 - 20   where output is in dozens of cupcakes, g is poinds of raw ingredients, and l is hours of labor.  The cost of a pound of raw ingredients is pg = $1 while the cost of an hour of labor is pl = $12.  What is the optimal ‘number’ of pounds of raw ingredients to use per hour of labor? (Hint: Consider the marginal productivity of investment of the inputs.) A standard day requires about 25 dozen cupcakes to be make.  What is the cost minimizing production plan for 25 dozen cupcakes? (Hint:  Find the cost minimizing l and g such that dq = 25.) How much will this cost?

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Problem 3.  Maria Bakery sells cupcakes.  The production of cupcakes takes both raw ingredients, and l is hours of labor.  The daily production function for cupcakes is given by

 

q = ½ * g * l + l^2 - 20

 

where output is in dozens of cupcakes, g is poinds of raw ingredients, and l is hours of labor.  The cost of a pound of raw ingredients is pg = $1 while the cost of an hour of labor is pl = $12. 

  1. What is the optimal ‘number’ of pounds of raw ingredients to use per hour of labor? (Hint: Consider the marginal productivity of investment of the inputs.)
  2. A standard day requires about 25 dozen cupcakes to be make.  What is the cost minimizing production plan for 25 dozen cupcakes? (Hint:  Find the cost minimizing l and g such that dq = 25.)
  3. How much will this cost?
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