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Part $1$

Sapphire Aerospace operates $52$ weeks per$$ year, and its cost of goods sold last year was $$$$8$ comma $736$ comma $000.$ The firm carries eight items in$$ inventory: four raw$$ materials, two$$ work$-$in$-$process items, and two finished goods. The following table shows last$$ year's average inventory levels for these$$ items, along with their unit values.

$$ LOADING...

Category

Part Number

Average Inventory Units

Value per Unit

Raw materials

$$RM$-1$

$25$ comma $000$

$$$$1$

$$RM$-2$

$5,000$

$$$$5$

$$RM$-3$

$2,000$

$$$$9$

$$RM$-4$

$800$

$$$$10$

$$Work$-$in$-$

process

$$WIP$-1$

$3,000$

$$$$20$

$$WIP$-2$

$4,000$

$$$$24$

Finished goods

$$FG$-1$

$1,000$

$$$$60$

$$FG$-2$

$500$

$$$$88$

Part $2$

a$.$ What is the average aggregate inventory$$ value? $$$

$$

$336000.($Enter your response as an$$ integer.$)$

Part $3$

b$.$ How many weeks of supply does the firm$$ have?

$$

enter your response here weeks. $($Enter your response rounded to one decimal