Brent Clarke works a $10$ hour shift. During his shift he must complete a current inventory report and attach a cover sheet. Brent only spends $6$ hours in the morning performing actual work and then spends the afternoon chilling out on Instagram and other social media. Which of the following statement is correct?

Group of answer choices

Brent$$s efficiency is $167\%$

Brent$$s percent value$-$added time is $40\%$

Brent$$s percent value$-$added time is $60\%$

Brent$$s cycle time is $10$ hours