Both mountain bikers and hikers enjoy Horsetooth Mountain Park. Assume there are more substitute hiking spots than there are biking trails. Further assume that there are demand side congestion effects of both bikers and hikers visiting the Park. The marginal cost of both biker and hiker visits is $5. A) Show the total demand for visits to the park and the separate demand curves for bikers and hikers. B) Show the economically optimal amount of visitation for bikers and hikers. C) Show and discuss the impact of congestion on the optimal rate of visitation and who will be affected by this change in optimal visitation