12 POINTS PLEASE HELP!

Lois plans to buy $105 Father's Day present, and holiday falls on the third sunday of June. She can afford to put it on layaway 20% down payment and $16 a month after that. If payments are due at the beginning of each month, when should Lois make her first monthly payment

A.Feb 1
B.Jan 1
C.Dec 1
D.Mar 1