QUESTION $4$: Johnson is trying to understand the consequences of increasing the batch size from $8$ lbs to $20$ lbs$.$ Calculate the THROUGHPUT RATE of each stage $($for a batch size of $20$ lb$)$ then answer the questions below, paying attention to the requested units. Where the answer is not a whole number, round to two decimal places.

a$)$ If Johnson were to increase the batch size to $20$ lbs$,$ which activity is the bottleneck? Please type the letter of your desired answer below.

a$)$ Batching

b$)$ Mixing

c$)$ Extruding

d$)$ Frying

e$)$ Cooling

f$)$ Customizing

Batching

A

b$)$ How many donuts could be

produced every hour $($on average$)$ using a batch size of $20$ lb$?$

$3120$

A

c$)$ If the batch size were increased to $20$ lbs$,$ which activities would have a longer THROUGHPUT TIME $($in minutes$)$ for each batch? Please type the letter of your desired answer below.

$16$

$5$

$7$

a$)$ None of the activities would have a longer throughput time.

b$)$ Batching, mixing, frying and cooling

c$)$ Extruding and customizing

d$)$ All activities would have a longer throughput time.