please solve for B

Beth Zion Hospital has received initial certification from the state of California to become a center for liver transplants. The$$ hospital, however, must complete its first $18$ transplants under great scrutiny and at no cost to the patients. The very first$$ transplant, just$$ completed, required hours. On the basis of research at the$$ hospital, Beth Zion estimates that it will have an $\%$ learning curve. Using Table E$\mathrm{.}3$LOADING...$,$ estimate the time it will take to$$ complete:

Part $2$

$$a$)$ the th transplant

$$

$16\mathrm{.}68$ hours

$($round your response to two decimal$$ places$).$

Part $3$

$$b$)$ the first $5$ transplants $\_\_\_\_$ hours

$($round your response to two decimal$$ places$).$