No, every calculator works on its own algorithm
"Deeming Tobacco Products To Be Subject to the Federal Food, Drug, and Cosmetic Act, as Amended by the Family Smoking Prevention and Tobacco Control Act
If the reduced price is the result of a manufacturer's reimbursement, such as a manufacturer's coupon or rebate or any other third-party's reimbursement, then the supplemental sales tax is due on the full amount received by the seller, whether from the purchaser or a third- party
Dual use of e-cigarettes and cigarettes may lead to greater nicotine dependence and increased adverse health effects for the heart, lungs, and mouth when compared with using one product
Eco-friendly materials are also becoming increasingly popular as brands focus on sustainability and reducing environmental impact