PRE-TEST Problem #5 of 15 1 2 When undertaking horizontal analysis, the significance of the various increases and decreases in the revenue and expense items should be investigated O a. only if they are favorable from one year to the next. Ob.only if they impact the balance sheet. O c. only if they are unfavorable from one year to the next. O d. to see if operations can be improved. 3 4 5 6 7 8 9 10 11 12 V