Abert's uses two suppliers for a component part used in production. Supplier A charges $1.50 per unit and Supplier B charges $1.52 per unit. The cost of late deliveries adds $.15 to the unit cost. If the probability of a late delivery is 40% for Supplier A and 10% for Supplier B, the effective cost per unit for Supplier A is ______.

Multiple choice question.

$1.575

$1.65

$1.50

$1.56