James is an accountant working for ZLT Corporation, a C corporation, and he must prepare the corporate tax return. ZLT Corporation is a calendar year filer. He is certain that he will not be able to finish the return in time to file by the due date. For the current tax year, assume the due date does not fall on a Saturday, Sunday, or legal holiday.

This is a four-part question.

Question 1: What is the due date (month and day) for ZLT's corporate income tax return? Question 2: What form should James file to obtain an extension of time to file ZLT's

corporate return? Question 3: What is the due date (month and day) to file the form for extension of time to file? Question 4: How long does the extension of time to file extend the filing due date?

a) April 15; Form 4868; April 15; six months

b) March 15; Form 1120; May 15; five months

c) April 15; Form 2220; March 15; six months

d) April 15; Form 7004; April 15; six months