A study finds that the noise from airplanes is harmful; hence, the government imposes a $20 tax on the sale of every airplane. This amount accurately accounts for the external cost of the noise pollution. Before the corrective tax, airplane tickets regularly sold for $190. After the tax is in place, the market price for airplane tickets rises to $200.

About time delivery co. incurred the following costs related to trucks and vans used in operating its delivery service: classify each of the costs as a capital expenditure or a revenue expenditure. 1. changed the oil and greased the joints of all the trucks and vans. 2. changed the radiator fluid on a truck that had been in service for the past four years. 3. installed a hydraulic lift to a van. 4. installed security systems on four of the newer trucks. 5. overhaul the engine on one of the trucks purchased three years ago. 6. rebuilt the transmission on one of the vans that had been driven 40,000 miles. the van was no longer under warranty. 7. removed a two-way radio from one of the trucks and installed a new radio with a greater range of communication. 8. repaired a flat tire on one of the vans. 9. replaced a truck's suspension system with a new suspension system that allows for the delivery of heavier loads. 10. tinted the back and side windows of one of the vans to discourage theft of contents.

Which of the following entries would be made to record the requisition of $12,000 of direct materials and $6,900 of indirect materials? (assume that indirect materials are included in raw materials inventory.) a. manufacturing overhead 18,900 raw materials inventory 18,900 b. wip inventory 12,000 manufacturing overhead 6,900 raw materials inventory 18,900 c. raw materials inventory 18,900 wip inventory 18,900 d. wip inventory 18,900 raw materials inventory 18,900

Which is cheaper: eating out or dining in? the mean cost of a flank steak, broccoli, and rice bought at the grocery store is $13.04 (money.msn website, november 7, 2012). a sample of 100 neighborhood restaurants showed a mean price of $12.75 and a standard deviation of $2 for a comparable restaurant meal. a. develop appropriate hypotheses for a test to determine whether the sample data support the conclusion that the mean cost of a restaurant meal is less than fixing a comparable meal at home. b. using the sample from the 100 restaurants, what is the p-value? c. at a = .05, what is your conclusion? d. repeat the preceding hypothesis test using the critical value approach