1. Suppose there are n physical inventory counts represented in the database. Which inventory counts are needed to compute shrinkage by week for all weeks for which there are sufficient data?

Question options:

	the first n 1 counts
	the last n 1 counts
	all n counts
	all but the first and last counts

Please help me with those questions! Please be sure the answers are correct!

2. The best strategy for calculating the percentage of sales by food category by store is to:

Question options:

	sort by food category, store, and percentage, find sales by category by store, find sales by store, join (left outer) the two queries, and calculate the percentages
	find sales by store, find sales by category by store, join (inner) the two queries, calculate the percentages, and sort by food category, store, and percentage
	find sales by store, find sales by category by store, join (right outer) the two queries, calculate the percentages, and sort by food category, store, and percentage
	calculate the percentages, find sales by store, find sales by category by store, join (inner) the two queries, and sort by food category, store, and percentage

Please be sure the answers are right! Thanks !