As operations manager, you are concerned about being able to meet sales requirements in the coming monthsYou have just been given the following production report: Units produced Hours per machine Number of machines JANUARY $297$ FEBRUARY $1,600178$ MARCH $2,600371$ APRIL $2,80829923$ Find the average of the monthly productivity figures $($units per machine hour$)$ Note: Do not round intermediate calculations. Round your answer to $2$ decimal places.