Simple and effective

Part A: 
60 seconds on 30 seconds off X 8 rounds -
3 RMU
6 Burpee Box Jump over (24"/20" Box) 
AMRAP WBs

Rest 4 mins

Part B: 
90 seconds on 30 seconds off X 4 rounds -
5 RMU 
8 Burpee Box Jump over (24" Box) 
AMRAP WBs