Company X sells on a $110/$

$,$ net $90,$ basis. Company Y buys goods with an invoice of $$4,000.$

How much can company Y deduct from the bill if it pays on day $10?$

Note: Do not round intermediate calculations.

How many extra days of credit can company Y receive if it passes up the cash discount?

What is the effective annual rate of interest if Y pays on the due date rather than day $10?$

Note: Use $365$ days in a year. Do not round intermediate calculations. Enter your answer as a percent rounded to $2$ decimal places.

a$.$ Discount

b$.$ Number of days days

c$.$ Effective annual rate $\%$