Whatron Corporation had average days of sales outstanding of $19$ days in the most recent fiscal year. The company wants to improve its credit policies and collection practices and decrease its collection period in the next fiscal year to match the industry average of $15$ days. Credit sales in the most recent fiscal year were $$300$ million, and the company expects credit sales to increase to $$390$ million in the next fiscal year. To achieve the company's goal of decreasing the collection period, the change in the average accounts receivable balance that must occur is closest to:

Select one:

a$.-$$$0\mathrm{.}822$ million

b$.$ $$0\mathrm{.}822$ million

c$.-$$$0\mathrm{.}411$ million

d$.$ $$0\mathrm{.}411$ million