Based on the Above Figures, What Are the Receivables Days

Multiple Choice

$$\begin{array}{l}\begin{array} {lll }&£\\ \text {Trade receivales}&72,00\\\text {prepayments}&30,000\\\text {Cash sales}&328,500\\\text {Credit sales}&547,500\\\end{array}\end{array}$$ Based on the above figures, what are the receivables days?

A) 30.00 days
B) 42.50 days
C) 48.00 days
D) 68.00 days