City X, whose territory is separated as a fairly wide river, becomes the north side of the city and the south side of the city. So far, both are in the river area by a bridge in the west, while on the east side there are several mining boat businesses crossing. Every day the bridge on the west side of the city is passed by 10,000 crossing vehicles. While the mining boat crossing utilizes the crossing an average of 1,000 people every day. The cost of a mining boat per person per crossing is IDR 5,000. In the City X Musrenbang, the aspirations of the people proposed to build a bridge on the east side to facilitate population density from the north to the south and vice versa. According to community leaders on the east side, the new bridge on the east side will be built for the travel time of the people on the east side. So far, the people on the east side, take an average of 30 minutes slower than the people on the west side. Regarding the mobility of crossings, a lecturer at University G, estimates the demand function for daily crossings is Q = 12,000 - 4 P. Q is crossings per day and large P is crossing fees. As additional information, the average land/property price on the east side of the city is currently around 100,000 units of money lower than the land price on the west side. The area between the east and north sides is approximately the same, but the population of the east side is 40 percent of the total population of city X. Furthermore, the existence of a new bridge is estimated to reduce the utilization of the bridge by only 20 percent. Meanwhile, the new bridge is estimated to be used for 5,000 crossings per day and is expected to increase the price of land/property on the east side or equal to the price for land/property on the west side. The cost of building a new bridge is estimated at 700 billion units of money. The cost of bridge maintenance per year is estimated at 30 billion units of money. The technical life of the bridge with maintenance costs can reach more than 100 years. If you are the Mayor of City X, will the east side society's proposal accept you? What evidence and measures did you use to accept or reject the offer?