Delta Distributors Has an Investment in Trade Receivables of £2,750,000

Delta Distributors has an investment in trade receivables of £2,750,000.Daily credit sales are £118,280.If 30% of Delta's credit customers receive a discount by paying within 10 days,what is the net period that Delta maintains?

A) 10 days
B) 23 days
C) 38 days
D) 45 days
E) There is not enough information to tell.