Challenge $1$: Present Lot Size $(10$ Points$)$

Using Present Lot Size $($Q $=450)$

Presently orders are being placed every $6$ Weeks. We find this by using the Time Between Orders formula.

$1\mathrm{.}1$ How many orders per year are being placed annually? Do Not Round to a whole number $($Show $2$ decimal places here$).$

$1\mathrm{.}2$ According to the information supplied, what is the present annual inventory cost? $($In other words, using their present lot size, what is the annual inventory cost?$)$ Also, separately identify the annual holding cost $($AHC$)$ and annual ordering cost $($AOC$).$ Round to $2$ decimal places.

TC $=$ AHC $=$ AOC $=$