In the question below I am getting 5.79585 as d1? Am I doing something wrong? No matter what I do it is not matching up to the answer for d1 below of 5.2655. Can someone verify d1 and the answer to the question below?

Shirtco stock is currently valued at 8 per share.Find the price of a 6 month call with an exercise price of 7.Shirtco's variance is .04.Rf rate is 3%.

Answer:

=P[N(d1)]-Xe^(-rRF)(t)[N(d2)]

S=8

X=7

Rf=.03

T=.5

Sigma=.04

D1= 5.2655

D2= 5.2372

N(d1)= 1

N(d2)= 1

Intrinsic value:1

Time value: .1042

C= 1.10