Aproject to build a new bridge seems to be going very well since the project is well ahead of schedule and costs seem to be running very low. a major milestone has been reached where the first two activities have been totally completed and the third activity is 65% complete. the planners were expecting to be only54% through the third activity at this time. the first activity involves prepping the site for the bridge. it was expected that this would cost $1,440,000 and it was done for only $1,320,000. the second activity was the pouring of concrete for the bridge. this was expected to cost $10,520,000 but was actually done for $9,020,000. the third and final activity is the actual construction of the bridge superstructure. this was expected to cost a total of $8,520,000. to date, they have spent $5,020,000 on the superstructure. calculate the schedule variance?

The gilbert instrument corporation is considering replacing the wood steamer it currently uses to shape guitar sides. the steamer has 6 years of remaining life. if kept,the steamer will have depreciaiton expenses of $650 for five years and $325 for the sixthyear. its current book value is $3,575, and it can be sold on an internet auction site for$4,150 at this time. if the old steamer is not replaced, it can be sold for $800 at the endof its useful life. gilbert is considering purchasing the side steamer 3000, a higher-end steamer, whichcosts $12,000 and has an estimated useful life of 6 years with an estimated salvage value of$1,500. this steamer falls into the macrs 5-year class, so the applicable depreciationrates are 20.00%, 32.00%, 19.20%, 11.52%, 11.52%, and 5.76%. the new steamer is fasterand allows for an output expansion, so sales would rise by $2,000 per year; the newmachine's much greater efficiency would reduce operating expenses by $1,900 per year.to support the greater sales, the new machine would require that inventories increase by$2,900, but accounts payable would simultaneously increase by $700. gilbert's marginalfederal-plus-state tax rate is 40%, and its wacc is 15%.a. should it replace the old steamer? b. npv of replace = $2,083.51