One difference between sales and excise taxes is that

A) sales taxes are only applied at the state level, while excise taxes are only applied at the federal level.
B) excise taxes apply to a wide range of products, while sales taxes apply only to a select list of products.
C) sales taxes are calculated as a percentage of the price paid, while excise taxes are levied on a per-unit basis.
D) excise taxes are calculated as a percentage of the price paid, while sales taxes are levied on a per-unit basis.

While government data,research,and business mortality statisticians may not agree on the precise failure and survival figures for new businesses,they do agree that moderate success is the rule,not the exception with new ventures.

The supply curve found by taking the horizontal summation of the short-run supply curves of all of the firms in a perfectly competitive industry is called the _____ curve.

A) marginal cost
B) short-run market supply
C) interim market supply
D) competitive