Please solve this question steps by steps. Do not use excel spreadsheet to solve this.

Part II: Reduction in labor cost - Assume 305,025 hours of work needed every year - Productivity increases from 70% to 85% - Round number of workers to whole numbers (below .5, round down; .5 and above, round up) 2. What is the total dollar change in labor expense from this 15% increase in productivity? 3. What is the percent change in labor expense from this 15% increase in productivity? Part II: Reduction in labor cost - Assume 305,025 hours of work needed every year - Productivity increases from 70% to 85% - Round number of workers to whole numbers (below .5, round down; .5 and above, round up) 2. What is the total dollar change in labor expense from this 15% increase in productivity? 3. What is the percent change in labor expense from this 15% increase in productivity