The weighted average cost of capital (wacc) is:
a) the required rate of return for all of a firm's capital investment projects.
b) the required rate of return for a firm's average risk projects.
c) not applicable for use by mne.
d) equal to 13%.

a) the required rate of return for all of a firm's capital investment projects.

Explanation:

The weighted average cost of capital refers to the blended cost of capital of a firm from all its sources. It is the proportionate representation of a firm's cost of capital from its various sources. A firm's sources of capital include bonds, common stock, preferred stocks, and other long term sources of are factored in WACC.

In calculating the WACC, each source of capital is proportionately weighted according to its percentage contribution to capital.  The WACC is applied in capital budgeting as a firm preferred discount rate when calculating the net present value.

i guess you could put raise the economic balance

forbearance of student loan payments. under forbearance, your loan payments are postponed (or reduced) but interest continues to accrue during the period of forbearance. if you don't pay the interest during that period, the interest may be “capitalized,” which means it is added to your principal balance.