Answer:
The burden of tax will be more on employees, tax reduction will be less for employees than employers.
Step-by-step explanation:
Tax burden is more on buyers , if the demand is relatively more inelastic ; and tax burden is more on sellers, if the supply is relatively more inelastic.
If federal government reduces social security tax (from 12.4% to 6.2%) :
Since supply of labour is more inelastic, the burden of tax would be more on labour suppliers i.e employees. So ; a total tax reduction 6.2% is likely to reduce tax burden borne by labour demanders i.e employers, more than reduction in tax burden borne by labour suppliers i.e employees (as the labour supply is more inelastic).