Answer Asap please

Suppose that your company is purchasing raw materials with the credit terms offered by the supplier being 3/5, Net 30.

You decide not to take the discount and regularly pay on day 30. What is the effective cost of the trade credit?

a.12.09%

b.3.09%

c.12.16%

d.64.73%

e.19.84%

f.55.94%

g.23.49%

h.8.55%