$5\mathrm{.}12$ Develop the BOM for product $xYZ$ made from two

units of $B,$ five $C$ and four $D.$ B is sub$-$assembled from six $E$ and

two $F$; $C$ from four $E$ and three $D,$ and $D$ from two $G$ and four $H.$

Problems $5\mathrm{.}13-5\mathrm{.}17$ are available in MyOMLab.

Problems $5\mathrm{.}18-5\mathrm{.}20$ relate to Service Design

$5\mathrm{.}19$ Review strategic process positioning options for the

regions in Figure $5\mathrm{.}12,$ discussing the operational impact $($in terms

of the $10$ strategic OM decisions$)$ for:

a$)$ Manufacturing the sandwiches.

b$)$ Direct interaction.

c$)$ Establishing a sandwich buffet.

$-15\mathrm{.}20$ Select a service business that involves interaction

between customers and service providers, and create a PCN diagram

similar to Figure $5\mathrm{.}12.$ Pick a key step that could be performed either

by the service provider or by the customers. Show process position$-$

ing options for the step. Describe how the options compare in terms

of efficiency, economies of scale, and opportunity for customization.