$$Ruby$-$Star Incorporated is considering two different vendors for one of its$$ top$-$selling products which has an average weekly demand of $80$ units and is valued at $$$$65$ per unit. Inbound shipments from vendor $1$ will average $340$ units with an average lead time$($including ordering delays and transit$$ time$)$ of $3$ weeks. Inbound shipments from vendor $2$ will average $510$ units with an average lead time of $1$ week. $$Ruby$-$Star operates $52$ weeks per$$ year; it carries a $3-$week supply of inventory as safety stock and no anticipation inventory.

Part $2$

a$.$ The average aggregate inventory value of the product if$$ Ruby$-$Star used vendor $1$ exclusively is $$$

$$

$42,250.($Enter your response as a whole number.$)$

Part $3$

b$.$ The average aggregate inventory value of the product if$$ Ruby$-$Star used vendor $2$ exclusively is $$$

$$

enter your response here. $($Enter your response as a whole number.$)$