An electronics company makes communications devices for military contracts. The company just completed two contracts. The navy contract was for 2,900 devices and took 30 workers two weeks (40 hours per week) to complete. The army contract was for 6,600 devices that were produced by 40 workers in three weeks ( 40 hours per week). a. Calculate the productivity for navy and army contracts in units produced per labor hour. Note: Round your answers to 2 decimal places