The Number P of CDs the Snappy Hardware Co $P = x ^ { 0.7 } y ^ { 0.6 }$

Short Answer

The number P of CDs the Snappy Hardware Co. can manufacture at its plant in one day is given by
​ $P = x ^ { 0.7 } y ^ { 0.6 }$ ​
where x is the number of workers at the plant and y is the annual expenditure at the plant (in dollars). Compute $\frac { \mathrm { d } y } { \mathrm {~d} x }$ at a production level of 23,000 CDs per day and $x = 99$ . Round your answer to two decimal places.