a) A local paintball business receives total revenue of $8000 a month when it charges $10 per person, and $9600 in total revenue when it charges $6 person. Over that of prices, does the business face elastic, unitary elastic or inelastic demand? Explain. b) Do costumers who visit convenience stores at 3AM have a price elasticity higher, lower or equal than those who visit at 3PM? Explain