When the actual values y of a dependent variable and the corresponding predicted values are the same, the standard error of estimate s will be 0.0

Lake Country Promotional Services uses a job order system for costing and billing promotional services for dance and ballet performances

Lake Country has four public relations specialists plus an office staff. At the beginning of the year, Lake Country estimated the total cost of salaries and benefits for the public relations specialists at $672,000 and a total of 7,000 billable hours for the year. The office and administrative costs were estimated at $406,000. The allocation base for office and administrative costs is billable hours. In June, Lake Country signed a contract for a Russian ballet performance. It negotiated a price of $6,500 for its services. When the job was complete, Lake Country's records showed that it had logged 38.0 billable hours. What was the amount of gross profit that Lake Country made on the job? A) $6,500 B) $3,648 C) $648 D) $2,204

Sarah uses her financial accounting knowledge to buy a rising stock at $500 per share with annual dividends of $50. She sells the stock a year later for $560 per share. What is the annual return (%)?

a. 10% b. 10.7% c. 12% d. 19.64% e. 22%