Ms. SP, who lives in California, traveled to Oregon to purchase gold jewelry for $20,000. California has a 7.5 percent sales and use tax, while Oregon has no sales and use tax.
a. Compute the use tax that Ms. SP owes to California on the jewelry purchased in Oregon.
b. Compute the use tax that Ms. SP owes to California if she purchased the jewelry in New Mexico and paid that state's 5.125 percent sales tax on the transaction.