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The budget director at Nexus Accounting was horrified to learn that the average daily expenses of sales people was $140. Since then, he's been encouraging them to "be more mindful". A sample was taken and the resultsare below.Use = .05. What are the null and alternative hypotheses that the budget director is testing when determining if expenses have decreased?

expenses($)		expenses ($)
125
102		Mean	129.571
129		Median	129
143		Mode	#N/A
149		Standard Deviation	15.915
120		Sample Variance	253.286
139		Range	47
		Minimum	102
		Maximum	149
		Sum	907
		Count	7

What are the null and alternative hypotheses that the budget director is testing when determining if expenses have decreased?