Suppose that last year the cost of inputs summed to $100,000, and the value of outputs summed to $800,000. For which of the following values this year would productivity decreases?
Both input and output increase by 10%
Input increases by 5% while output increases by 10%
Both input and output decrease by 10%
Input increases by 10% while output increases by 5%
Output decreases by 10% while input decreases by 20%