Mr Novak

Mr. Novak earns an average 927 euros. When increasing the salary, they gave him a choice:
« Correct result

Wrong answer

What is a better choice for Mr. Novak?

Correct answer:

z =  1

Step-by-step explanation:

w=927 eur x1=w 21 31=927 21 31=2309=15421=154.5 r=16%=10016=254=0.16  x2=w r=927 254=25927 4=253708=148.32 x1 > x2  z=1

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