$1)$ Dunder Mifflin Paper Company sells paper and office supplies. Dunder Mifflin$$s credit terms are $1/10$ net $30$ and

has total sales of $$75,000,000$ and fourty three percent of Dunder Mifflin$$s customers pay on day $10$ in order to take the discount. However, the majority of its customers $($responsible for fifty three percent of sales$)$ pay $45$ days after purchase.

A$)$ What is the EAR for using costly trade credit?

B$)$ What is Dunder Mifflin$$s days sales outstanding?

C$)$ What is Dunder Mifflin$$s average amount of receivables?

D$)$ If the firm increased its collections efforts and was able to get all its customers to pay on day $35$ what would its new DSO and average receivables be$?$