Why do some companies choose to have payroll processed by external service companies rather than do it themselves?

Suppose you want to know if more technical service calls are made to homes with cable television or with satellite dish television. should you use frequencies or relative frequencies to make the comparison? why?

Strawberry plants reproduce by

Beck company had the following accounts and balances at the end of the year. what is net income or net loss for the year? cash $ 74 comma 000 accounts payable $12,000 common stock $21,000 dividends $12,000 operating expenses $ 13 comma 000 accounts receivable $ 49 comma 000 inventory $ 47 comma 000 longminusterm notes payable $33,000 revenues $ 91 comma 000 salaries payable $ 30 comma 000