A stock was priced [tex]$12 | 3/8[/tex] per share. It rose in price by [tex]$3 | 1/4[/tex] per share. What was its new price?

A. [tex]$15 | 5/8\\[/tex]
B. [tex]$9 | 1/4[/tex]
C. [tex]$15 | 1/3[/tex]
D. [tex]$9 | 1/8[/tex]