Determine the effective annualized cost of forgoing the trade credit discount on the following terms:

What is the effective annualized cost of forgoing the discount on the trade credit terms of Use a 360-day year.

a.1/9,net 30

b.1/5,net 40

c.3/8,net 35

d.4/8,net 60

e.4/6,net 70

f.5/8,net