this year child tax credit has a double phaseout amount that reduces the credit. for head of household filers, at what amount of their agi does the first phase out begin?

The hawthorne works was a large western electric factory with 45,000 employees. during the 1920s and 1930s, hawthorne works was the site of some well-known industrial studies. in one of the studies, researchers investigated the impact of different working conditions on worker productivity. prior to the start of the study, researchers secretly measured workers' productivity for several weeks. then researchers chose two workers, who then chose their own teams. the teams were separated from the general workforce and completed their work in different experiment rooms where the researchers could observe them more easily. over a 5-year period researchers manipulated the structure of the workday for each team (number and duration of breaks and number of hours per shift). for each of these changes in working conditions, the researchers measured the effect on productivity. for some conditions, such as frequent short breaks, workers rebelled by intentionally decreasing productivity.why did the researchers secretly measure the workers' productivity before creating the two treatment groups? a, to create similar treatment groups so that a cause-and-effect relationship could be establishedb, to draw conclusions about the productivity of all workers in the plant based on the test groupsc, to directly control for confounding variablesd, to provide a baseline for measuring worker productivity

At the save the fish nonprofit organization, jenna is responsible for authorizing outgoing payments, rob takes care of recording the payments in the organization's computerized accounting system, and shannon reconciles the organization's bank statements each month. this internal accounting control is best known as a(n) a. distribution process. b. segregation of duties c. specialized budget d. annotated financial process

Ticker services began operations in 2015 and maintains long-term investments in available-for-sale securities. the year-end cost and fair values for its portfolio of these investments follow.portfolio of available-for-sale securities cost fair valuedecember 31, 2015 $ 369,060 $ 357,988 december 31, 2016 420,728 445,972 december 31, 2017 572,190 676,901 december 31, 2018 864,007 768,966 prepare journal entries to record each year-end fair value adjustment for these securities.calculation adjustment required to fair value adjustment.12/31/15 existing balance in fair value adjustment-afs (lt) required balance in fair value adjustment-afs (lt) adjustment required to fair value adjustment-afs (lt) 12/31/16 existing balance in fair value adjustment-afs (lt) required balance in fair value adjustment-afs (lt) adjustment required to fair value adjustment-afs (lt) 12/31/17 existing balance in fair value adjustment-afs (lt) required balance in fair value adjustment-afs (lt) adjustment required to fair value adjustment-afs (lt) 12/31/18 existing balance in fair value adjustment-afs (lt) required balance in fair value adjustment-afs (lt) adjustment required to fair value adjustment-afs (lt) record the year-end adjusting entry for the securities portfolio as of december 31, 2015.date general journal debit creditdec 31, 2015 record the year-end adjusting entry for the securities portfolio as of december 31, 2016.date general journal debit creditdec 31, 2016 record the year-end adjusting entry for the securities portfolio as of december 31, 2017.date general journal debit creditdec 31, 2017 record the year-end adjusting entry for the securities portfolio as of december 31, 2018.date general journal debit creditdec 31, 2018