c$.$ increases assets and liabilities.

d$.$ has no effect on the basic accounting equation.

$9.$ On April $1,2022,$ Propel Corporation paid $$48,000$ cash for equipment that will be used in business operations. Th equipment will be used for four years. Propel records deprecia$-$tion expense of $$48,000$ for the calendar year endi December $31,2022.$ Which account$-$ing principle has been violated?

a$.$ Depreciation principle.

c$.$ Cash principle.

b$.$ No principle has been violated.

d$.$ Expense recognition principle