Docherty, Inc. reports the following information for the year ended December 31:

Units sold	570570	units
Sales price	$ 190$190	per unit
Direct materials	$ 29$29	per unit
Direct labor	$ 12$12	per unit
Variable manufacturing overhead	$ 15$15	per unit
Fixed manufacturing overhead	$ 15$15	per unit
Variable selling and administrative costs	$ 4$4	per unit
Fixed selling and administrative costs	$ 12 comma 600$12,600	per year

The operating income calculated using variable costing and absorption costing amounted to

$ 9 comma 000$9,000

and

$ 12 comma 000$12,000,

respectively. There were no beginning inventories. Determine the total number of units produced during the year.