Productivity problem

1.  An electrical equipment manufacturing company manufacturers AC motors, DC motors & transformers.   During the month of December the production of these items in Rupee terms has been respectively, Rs.140 million, Rs.250 million and Rs.90 million. The   inputs   of human   resources,   capital materials and power have been given below:

		Product
	AC	DC	Transformers
Human	14	23	12
Capital	28	81	14
Materials	72	108	24
Power	9	20	10

     1)    What are the total productivities of each of the three products?   

     2)    What are the partial productivities of each of the inputs?

     3)    What are the partial productivities of each of the three products? 

It is one easy and basic problem which is asked in exams frequently.