Need answers as follow:

Arnold is employed as an assistant manager in the furniture division of a national chain of department stores. He is a recent college graduate with a degree in marketing. During 2015, he enrolls in the evening MBA program of a local university and incurs the following expenses: tuition, $4,200; books and computer supplies, $800; transportation expense to and from the university, $450; and meals while on campus, $400. Arnold is single and his annual AGI is $64,000. As to these expenses, what are Arnolds:

a.	Deductions for AGI?
b.	Deductions from AGI?