)assume that stock market returns do not resemble a single-index structure. an investment fund analyzes 2,000 stocks in order to construct a mean-variance efficient portfolio constrained by 2,000 investments. they will need to calculate (n) expected returns, ( variances of returns and covariances

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.

Why should managers invest any excess cash

Which maxim is being neglected in the following conversation? eli: how did you do at the track meet? caleb: i came in second place! eli: congratulations! what was your time? caleb: six minutes, four seconds. the guy who won only beat me by three seconds. eli: really? katie said the winning time was under 6 minutes. caleb: oh, well, he might have beat me by five seconds. a)maxim of quantity b)maxim of quality c)maxim of relevance d)maxim of manner