. [5 pts] A life-saving medicine without any close substitutes will tend to have a. a small elasticity of demand. b. a large elasticity of demand. c. a small elasticity of supply. d. a large elasticity of supply.

The correct answer is the option A: a small elasticity of demand.

Explanation:

To begin with, the concept known as "price elasticity of demand" refers to the relationship that shows how much the quantity demanded of a product will change when the price of it changes. And therefore that it indicates the variation that exists between the price and the quantity demanded for the product.

Secondly, when it comes to products that are highly essential to life, like water, the price elasticity of its demand will be inelastic or what is the same as small elastic due to the fact that it does not matter how much the price changes, the amount demanded by the consumers will stay due to the fact that the product is highly needed in their lives.

of the three mortgage options that demarco and tanya have to choose from, the balloon payment mortgage would be their best option, over adjustable payment and fixed payment plans.ultimately, the balloon payment plan would save demarco and tanya overall, in interest, would cost less monthly, and they would only have to make these payments for 8 years, opposing to 30 years for adjustable or fixed payment plans. 

overall, demarco and tanya would save $80,811 if they chose balloon payments over fixed payments, and would save $116,711 if they choose balloon payments over adjustable payments. benefits with choosing fixed payments over adjustable payments is that, in the end, the payments will still be $836.30 a month, while with adjustable payments, the initial monthly payments will be $763.38 to $1082.70 a month, ultimately leading to a more costly purchase. benefits with choosing fixed payments over balloon payments are not present. benefits in choosing adjustable payments over is that it has a lower interest rate, and starts with lower monthly payments initially. benefits in choosing adjustable payments over balloon payments include a lower interest rate, and lower initial monthly payments. benefits in choosing balloon payments over fixed payments include lower interest rates, lower overall price, lower monthly payments, takes less time to pay off, and does not require a downpayment. benefits in choosing balloon payments over adjustable payments include, lower monthly payments (when averaged), takes less time to pay off, and lower overall price.

hence, option c, balloon payments, is the best option for demarco and tanya to make this purchase, for it will save them a minimum of $80811, and a maximum of $116,711.