Determine the tax basis of the business asset acquired in each of the following cases:

1. Firm L paid $6,900 cash plus $483 sales tax plus a $480 installation charge for a satellite dish.
2. TTP Inc. acquired inventory in exchange for 1,660 shares of TTP common stock listed on Nasdaq at $280 per share on the date of exchange.
3. Firm Q acquired machinery in exchange for architectural drawings rendered by Firms Qs junior partner. The partner spent 20 hours on the drawings, and his hourly billing rate is $585.
4. Company C purchased equipment by paying $2,700 cash at date of purchase and financing the $18,850 balance of the price under a three-year deferred payment plan.