$1.$ Which of the following are paid by the employer only?

a$.$ Social security $($FICA$)$ taxes

b$.$ Unemployment taxes

c$.$ Union dues

d$.$ Charitable contributions

$2.$ Medicare $($FICA$)$ tax is paid by:

a$.$ The employee only

b$.$ The employer only

c$.$ Both employee and employer

d$.$ The federal government

$3.$ How is the current ration calculated?

a$.$ Current assets divided by total assets

b$.$ Current assets minus current liabilities

c$.$ Current assets divided by current liabilities

d$.$ Retained earnings divided by current liabilities