Aman with type a blood and a woman with type b blood have a child with type o blood. what are the genotypes of the man and woman?

Genotype of the man is I^A i
Genotype of the woman is I^B i

I^A. i
I^B. I^A I^B. I^B i

i. I^A i. ii

I^B = Blood type B
I^A = Blood type A
I^A I^B = Blood type AB
ii = Blood type O

Idon’t know i’m just trying to get points to make me look smawt