Respuesta :

Your EAR on your credit card will be 1.4394% if the credit card company charges you 1.43 percent per month.

Formula to calculate EAR

Effective Annual Interest Rate=(1+ r/n)ⁿ −1

where:

                  i=Nominal interest rate

                  n=Number of periods

i=(1+r/n)ⁿ−1

i=(1+0.0143/12)¹²−1

i=0.014394

I=i×100=1.4394%

To learn more on how to calculate an Effective Interest Rate please visit the link: https://brainly.com/question/28499156

#SPJ4