Which one of the following statements related to risk is correct? a. The beta of a portfolio must increase when a stock with a high standard deviationis added to the portfolio.
b. Every portfolio that contains 25 or more securities is free of unsystematic risk.
c. The systematic risk of a portfolio can be effectively lowered by adding T-bills tothe portfolio.
d. Adding five additional stocks to a diversified portfolio will lower the portfolio'sbeta.
e. Stocks that move in tandem with the overall market have zero betas.

Colorado rocky cookie company offers credit terms to its customers. at the end of 2018, accounts receivable totaled $715,000. the allowance method is used to account for uncollectible accounts. the allowance for uncollectible accounts had a credit balance of $50,000 at the beginning of 2018 and $30,000 in receivables were written off during the year as uncollectible. also, $3,000 in cash was received in december from a customer whose account previously had been written off. the company estimates bad debts by applying a percentage of 15% to accounts receivable at the end of the year. 1. prepare journal entries to record the write-off of receivables, the collection of $3,000 for previously written off receivables, and the year-end adjusting entry for bad debt expense.2. how would accounts receivable be shown in the 2018 year-end balance sheet?

The direct labor budget of yuvwell corporation for the upcoming fiscal year contains the following details concerning budgeted direct labor-hours: 1st quarter 2nd quarter 3rd quarter 4th quarterbudgeted direct labor-hours 11,200 9,800 10,100 10,900the company uses direct labor-hours as its overhead allocation base. the variable portion of its predetermined manufacturing overhead rate is $6.00 per direct labor-hour and its total fixed manufacturing overhead is $80,000 per quarter. the only noncash item included in fixed manufacturing overhead is depreciation, which is $20,000 per quarter. required: 1. prepare the company’s manufacturing overhead budget for the upcoming fiscal year.2. compute the company’s predetermined overhead rate (including both variable and fixed manufacturing overhead) for the upcoming fiscal year.

2. the external environment (connect)choose whether each example belongs in the general, task, or internal environment. exampleenvironmenta worldwide recession task environment / general environment / internal environmentlocal mothers asking their community grocery store to carry no-salt cheerios-type cereal for their babies task environment / general environment / internal environmentchoose the phrase that best completes the following sentence. the relationship between the task environment and the general environment is best described as: a one-way system: changes in the task environment affect the general environment, but changes in the general environment do not affect the task environment. an open system: changes in the task environment affect the general environment, and changes in the general environment affect the task environment. a one-way system: changes in the general environment affect the task environment, but changes in the task environment do not affect the general environment. a closed system: changes in the general environment do not affect the task environment, and changes in the task environment do not affect the general environment.©bloomberg via getty imagesmanagement in the newsin april 2010, the explosion of british petroleum’s (bp) deepwater horizon oil drilling rig and the accompanying oil spill dramatically changed the external environment in which all oil companies operate. the explosion released more oil than any other accidental spill in history and had a huge impact on the waters and surrounding communities of the gulf coast. the conditions that led to the spill, the attempts to stop the spill, and the clean-up and aftermath of the spill prompted debates in the u. s. senate, concern on wall street, and attention from companies all over the world. match each oil spill event with a specific dimension of the general environment. eventgeneral environment dimensionbp stock prices falling 25% during the first month after the oil spill oil seeping into pelican nesting grounds, which will place the brown pelican back on the endangered species list people moving from louisiana to oklahoma to avoid the effects of the spill