Please help me with this this multi step assignment

Part 1:

1. Cost of preventive maintenance would include primarily the cost to replace the machine components

True or False

2. Candidates for preventive maintenance include

a) light bulbs

b) purely random failures

c) windshield wipers

d) AI predicting failures

Part 2:

1. A measurement of the effective use of maintenance is units of production/maintenance hours

True or False

2. Training of operators to perform maintenance may improve moral and commitment of the individual to the job or organization

True or False

3 Maintenance productivity may be calculated as maintenance hours/ replacement

True or False