Gross profit?

Hello tutor help me with accounting

Axay Corporation had an average days sales outstanding (DSO) period of 22 days in 2022. An analyst predicts that Axay’s DSO will decline in 2023 (due to expected improvements in the company's collections process) to match the industry average of 18 days. Total sales (all on credit) in 2022 were $350 million, and Axay expects total credit sales to increase to $380 million in 2023. To achieve the lower DSO, the change in the average accounts receivable balance from 2022 to 2023 that must occur is closest to: a) -$3.90 million b) -$2.36 million c) $2.85 million d) $3.90 million provide answer