Based on the following assumptions, which of the following is closest to the minimum transfer amount that will justify using a wire instead of an ACH transfer? Cost of a wire = $10 Cost of an ACH transfer = $0.25 Annual opportunity cost rate = 5% ECR = 1% RRR = 10% Days delay in availability with ACH = 1

Select one:

a.

$78,589.24

b.

$83,548.23

c.

$87,053.57

d.

$89,285.71