Advertising department expenses of $75,000 and purchasing department expenses of $58,300 of cozy bookstore are allocated to operating departments on the basis of dollar sales and purchase orders, respectively. information about the allocation bases for the three operating departments follows.

department sales purchase orders
books $ 150,000 1,680
magazines 84,000 945
newspapers 66,000 875

total $ 300,000 3,500

complete the following table by allocating the expenses of the two service departments (advertising and purchasing) to the three operating departments.

engine assembler, survey reasearcher, auditor

there's 11 people for the 1st position. then, no matter who gets it, there's only 10 left for the second, and then 9 left for the third. 11 x 10 x 9 = 990.   the answer is there are 990 different ways the positions can be filled by these applicants

credit history is used by lenders to determine whether you are a 'risky' person to give their money to.

having a short history provide very little data for the lenders. they wouldn't be able to determine your credit behavior from such a small samples. even if they are perfect.

having long credit history with few blemishes provide larger and more accurate data for the lenders to predict your credit behavior.