Intermediate Strings - Pay per Half Year

Purchase 1 Half Year of Intermediate Strings classes (approx. 18 classes) -  $150
 
Intermediate Strings has these payment options:
Pay per Class - $10
Pay per Month (4 classes) - $35 
Pay per Half Year (Sept-Jan) or (Jan- May) (approx. 18 classes) - $150 (Current selection)
Pay per Year (Sept-May)(approx. 36 classes) - $300