The relationship between training costs $($x$)$ and productivity $($y$)$ is given by the following formula,$$y$=5$x$-2$x$2+36.$

a$.$ Will Nonlinear Solver be guaranteed to identify the level of training that maximizes productivity? $$No $$Yes

b$.$ If training is set to $2,$ what will be the resulting level of productivity?$($Round your answer to the nearest whole number.$)$