Seth wants to purchase a new desk. Since he lives near the border of two cities with different sales taxes rates, he decides to compare the total price of the desk from each store. Store a store b desk price: $289. 99 sales tax rate: 7% desk price: $299. 99 sales tax rate: 6. 5% which statement is true? a. The total cost of the desk including sales tax will be lower at store a by about $9. B. The total cost of the desk including sales tax will be higher at store a by about $9. C. The total cost of the desk including sales tax will be lower at store b by about $12. D. The total cost of the desk including sales tax will be higher at store b by about $12. E. The total cost of the desk including sales tax will be the same for both stores.