major net systemes is a start$-$up company that makes connectors for high$-$speed internet connections. the company has budgeted variable costs of $$145$ of each connector and fixed costs of $7,500$ per month. Major net sysmets staic bidget predicted production and sales of $100$ connectors in August, but the company actually produced and sold only $84$ connectors at a total cost of $21,000.$

major net systems managers could set direct labor standards based on

a$.$ time$-$and motion studies

b$.$ continuours improvement.

c$.$ benchingmarking

d$.$ all of the above