Profit Model Use the revenue and cost models above to construct a model for profit. Find a model for the weekly profit, using z as the independent variable. P(x)=r+ux+sx +tz NOTE: Do not calculate another regression. Use the fact that profit is revenue minus cost. Round r to the nearest integer, round u to 1 decimal place, round s to 2 decimal places, and round t to 4 decimal places. Use this profit model to answer questions 16-29 below. Use the profit model above to answer this question. What is t? Round to 4 decimal places