$15.$A small business has submitted their quotation on a competitive FAR part $13$ buy and is selected as the successful offeror. What one of the following is considered the offer?

$(4$ Points$)$

a$)$ The contractor's quotation

b$)$ The government's solicitation is the offer to industry

c$)$ The government's purchase order sent to the contractor.

$16.$It$$s $2022$ and you are estimating a reasonable price for $500$ engine parts on a sole source contract. Through market research, you have been able to gather historical information for a similar quantity and with the same terms and conditions. You also found an applicable NAICS code for this requirement and an associated index. Use indexing to calculate the estimated price for $2022.$

YEAR CONTRACT UNIT PRICE INDEX NUMBER

$2021$ $$24\mathrm{.}90119$

$2022?128$

$(4$ Points$)$

a$)$ $$26\mathrm{.}78$

b$)$ $$27\mathrm{.}66$

c$)$ $$25\mathrm{.}81$