Broha Company manufactured 1305 units of its only product during 2019. The inputs for this production are as follows: 440 pounds of Material A at a cost of $1.50 per pound 360 pounds of Material H at a cost of $2.75 per pound 280 direct labor hours at $20 per hour The firm manufactured 2550 units of the same product in 2018 with the following inputs: 600 pounds of Material A at a cost of $1.70 per pound 460 pounds of Material H at a cost of $3.00 per pound 500 direct labor hours at $38 per hour The total productivity ratio in 2019 is: (Round all calculations to 2 significant digits.) 1.29. O 0.18 O 4.50 0.90 0.63