GDX Manufacturing has implemented several programs suggested by its new IE department to improve its productivity. They are now evaluating the new IEs by comparing this year's performance with last year's. The following data are available: Last Year This Year Output 10,500 units 12,100 units Labor Hours 12,000 13,200 Utilities $7,600 $8,250 Capital $83,000 $88,000 What can be observed from the data? Capital productivity increased by 6.2% Labor productivity increased by 8.7% Capital productivity decreased 4.8% Energy productivity decreased by 6.2% Total factor productivity did not change