Sarah works at a catering company. one afternoon, she receives word of a venue change and informs her supervisor via email. sarah’s supervisor never receives the email because the server is down. this disturbance is an example of:

The outstanding bonds of the purple fiddle are priced at $898 and mature in nine years. these bonds have a 6 percent coupon and pay interest annually. the firm's tax rate is 35 percent. what is the firm's after tax cost of debt?

For the past six years, the price of slippery rock stock has been increasing at a rate of 8.21 percent a year. currently, the stock is priced at $43.40 a share and has a required return of 11.65 percent. what is the dividend yield? 3.20 percent 2.75 percent 3.69 percent

Alarge tank is filled to capacity with 500 gallons of pure water. brine containing 2 pounds of salt per gallon is pumped into the tank at a rate of 5 gal/min. the well-mixed solution is pumped out at the same rate. find the number a(t) of pounds of salt in the tank at time t.