$D=424$

$D=114=5$

${}^{**}=190$

$18.$

$19$

$18.$

$18$

$5\%$

$1$b$)$ Based on your answer above, how many times per year will Mick place an order for whiskey?

$1$c$)$ What are Mick's total annual order and holding costs for whiskey?

Annuar holderg cost $=\frac{e^{**}}{2}=\frac{2819}{2}=27b$