It's time to buy pet food again and Lisa heads to the grocery store with $40 in her purse, leaving her four hungry dogs and seven hungry cats at home. Dog food costs $1 per can and cat food costs $0.50 per can. Lisa wants to minimize her pet food cost. What is an appropriate objective function for this scenario?

Miller mfg. is analyzing a proposed project. the company expects to sell 14,300 units, plus or minus 3 percent. the expected variable cost per unit is $15 and the expected fixed cost is $35,000. the fixed and variable cost estimates are considered accurate within a plus or minus 3 percent range. the depreciation expense is $32,000. the tax rate is 34 percent. the sale price is estimated at $19 a unit, give or take 3 percent. what is the net income under the worst case scenario?