3. (25 Points} A manufacturer has assessed that the marginal reVenue for creating x units ofa certain item is represented by the equation || .1 R'Ln = ... N" H 1' eXpressed in hundreds of dollars per unit. In contrast, the marginal cost for each unit is git-'en by CFIZI} = 2 + I + x2. also in hundreds of dollars per unit. What is the change in the manufacturer's prot when the output is increased from 1 unit to 5 units'i'I