During a year, Teris monthly sales compensation ranged between $16,500 and $22,300 per month and units sold ranged between 1,300 and 2,100 units for those same months. Required: Use the highlow method to determine Teris monthly salary and commission rate per unit sold and then calculate the total number of units sold in a year when Teris total compensation amounted to $186,400. (Round your "Commission rate" to 2 decimal places.)

Monthly salary Commission rate Total number of units sold per unit