A stock analyst attempts to express the price p of a share of XYZ stock as an exponentially increasing function of the time since XYZ's initial public offering (IPO):
p=10e^km, where m is the number of months since the IPO. The price of a share was $10.00 at the time of the IPO and $14.60 four months after the IPO. What is the approximate value of k? Round to the nearest thousandth.

ANSWER CHOICES:
A) 1.295 per month
B) 0.670 per month
C) 1.570 per month
D) 0.095 per month
E) 3.650 per month