The question says, "Sipho's Electronics sells a basic unlocked smartphone for $125. Sipho's buys these phones for $75 each. Price elasticity at their current selling price is estimated at -2.1.Siphao's is thinking about raising its selling price by $10. If the change in quantity sold just matches the percent profit breakeven for this situation, how much will S5ipho's profit change after the price increase? Which tool should you use to answer this question? O Elasticity, because the question does not mention a change in variable cost. O Price elasticity, because | need to know the change in quantity. O MNeither--just put down %0. @ Percent profit breakeven, because the question is about profit. The question asks, "Unikl sells its stylish fake-fur overcoats for $475 each, and acquires them for a variable cost of $284 each. Unikk expects its variable costs to drop by $20 per coat, and so the company plans to cut its selling price by $35. At the current price, elasticity of demand is -2.8. How much must quantity demanded change so that Unikk's total contribution on these coats is unchanged, despite the changes in selling price and variable cost? Which tool should you use to answer this guestion, and why? O Elasticity. because you need to know how demand will change O Percent profit breakeven, because this is exactly what that metric tells you O Percent profit breakeven, because the question includes cost data O Meither tool, because there isn't enough information