The town council of Parahyangan City is planning to build several public facilities for the residents. They are considering several options of public facilities, namely, parks, children playgrounds, and jogging tracks. The allocated budget for the public facilities is Rp. 800 million. Building a park costs about Rp. 300 million, while children playground and jogging track cost about Rp.200 million and Rp. 100 million, respectively. The town council estimates that annually, around 50,000 people will go the park, while each children playground will be visited by 40,000 people and each jogging track will be used by 10,000 people. Questions: a Help the town council to decide which public facilities to build that will maximize the estimated number of users by using dynamic programming! b What is the estimated number of people that will use the built facilities?