Please tell me correct answer for $2$ red spots

purchase each of the subassemblies from an outside supplier:

If required, round your answers to nearest whole number

What is the total manufacturing and purchase cost associated with your recommendation?

$8$

subassembly Roedel should manufacture and how many units of each subassembly Roedel should purchase. If an amount is zero, enter $"0".$

What is the total manufacturing and purchase cost associated with your recommendation?

$8$