please help answer

The after tax CD earnings rate is ___%

Antonio would like to replace his golf clubs with a custom-measured set. A local sporting goods megastore is advertising custom clubs for $840, including a new bag. In storo financing is available at 3.99 percent, or he can choose not to renew his $500 certificate of deposit (CD), which just matured. The advertised CD tenewal rate is 4 91 percent Antonio knows the in store financing costs would not affect his taxes, but he knows heill pay taxes (25 percent federal and 5.75 percent state) on the CD interest earnings, Should he cash the CD or use the in-store financing? Why? The after tax CD earning rate is 0% (Round to two decimal ploms)