Tour to Shenzhen 1 day from Zhuhai

Sorry , I have some questions :
1. we are 8 people want go to Shenzhen from zhuhai ( hotel Golden Holiday Hotel Zhuhai , Zhuhai, Zhuhai 519 )and back to zhuhai at night it also . pls adv better we take transports what for tour to Shenzhen 1 day and how much transportation costs to shenzhen by ferry and bus ? Due to we are already book hotel in Zhuhai 3 nights and planning will travel in Zhuhai 2 days and Shenzhen 1 day

2. if transportation cost more expensive we planning will cancel hotel in zhu hai 1 night and moved staying in Shenzhen 1 night.
So better way we travel from Macau-Zhuhai-Shenzhen-Zhuhai-HK or Macau-Zhuhai-Shenzhen-HK

Pls adv

Thanks