This event is a "Super Event" in Bug Business that ran from July 22 - July 26, 2016.
"Build the Jupiter Hotel and make the residents of your city happier! Obtain and install the Jupiter Hotel by fulfilling these conditions:"
Event duration: 4 days
Event reward: Jupiter Hotel
Event tasks, all platforms Edit
On iPad, a player can skip producing each type of resource for 35 -- so for 105, a player can complete the entire event and receive the reward building. On Windows PC and Windows phone the cost is 30 for a total completion cost of 90.
Resource requirements to complete the event are different for each player, depending on level and number of factories. The picture below shows the type of products required for iPad users: