2020 Democratic presidential candidate Elizabeth Warren proposed a wide-ranging series of taxes and tax increases that she would enact if she becomes president in 2020. Following are six of her proposals.1. Impose a wealth tax of 2% for every dollar a household has above $50 million, and 3% for above $1 billion.2. Add an additional 7% corporate tax on profits over $100 million.3. Increase Social Security contributions on individual wages above $250,000.4. Restore the previous corporate tax rate that was reduced with the 2017 Tax Cuts and Jobs Act.5. Increase taxes on guns from 10% to 30% and impose a 50% tax on ammunition.6. Increase taxes to fund a Medicare-for-All program.Source: Jordan McDonald, "These are the taxes Elizabeth Warren has proposed in the 2020 race," cnbc.com, October 5, 2019.Refer to the Article Summary. The implementation of the wealth tax would decrease the post-tax return to saving, causing a(n) ________ in the supply of loanable funds and a(n) ________ in investment spending.

A.

increase; increase

B.

increase; decrease

C.

decrease; increase

D.

decrease; decrease