On a given day, the demand for a famous value burger is d (p) = 7p+ 4p - 2ep if 0 p 3, where e is the exponential number. What is the total margin/profit-maximizing price a) when the cost of making a burger is 70 cents? [Select] b) when the cost of making a burger is $1.70? [Select]

On a given day, the demand for a famous value burger is d(p)=7p+4p22epif0p3, where e is the exponential number. What is the total margin/profit-maximizing price a) when the cost of making a burger is 70 cents? b) when the cost of making a burger is $1.70