During COVID$-19,$ Bob's Office Simple Solutions $\text{'}$ was faced with the need to cut costs but wanted to safely retain as many employees as possible $.$ All of the following are options B$.$O$.$S$.$S$.$ could explore to reduce costs and maintain employees except :

a$.)$Allow all workers to work a compressed workweek, closing the office an extra day of the week

b$.)$Obtain a bigger workspace so workers can spread out and work regular schedules

c$.)$Allow employees to telecommute one to five days a week depending on the department

d$.)$Cut benefits and shift employees from core employees to contingent $($contract$)$ employees