Splish Brothers Inc. uses a periodic inventory system. Details for the inventory account for the month of January 2022 are as follows: Balance, 1/1/2022 Purchase, 1/15/2022 Purchase, 1/28/2022 Units 360 180 180 Per unit price $6 6 Total $2160 1080 1260 7 An end of the month (1/31/2022) inventory showed that 290 units were on hand. How many units did the company sell in January 2022? 110 360 290 O 430