Dihybrid AaBb Female Drosophila Were Testcrossed with Aabb Males $\quad$

Dihybrid AaBb female Drosophila were testcrossed with aabb males.The following offspring genotypes were obtained.
AaBb $\quad$ 99
Aabb $\quad$ 83
AaBb $\quad$ 86
Aabb $\quad$ 92
A $\chi$ ² test was performed to determine whether the data supported the original hypothesis that the genes are unlinked.What is the correct value of $\chi$ ²?

A) 0.24
B) 0.42
C) 0.47
D) 1.67
E) 2.79