A $100,000$ loan for a period of $4$ years will be repayable by means of the following conditions:

The first two years the debtor will only have to pay the interest.

At the end of the third year the debtor will have to pay the interest and half of the loan principal.

The last year $($the fourth year$)$ the outstanding debt will be paid off by means of constant quarterly payments

The bank charges $8\%.$ EAIT.

The principal repayment of the third year is:

a$.100,000$

e$.60,835$

b$.34\mathrm{.}567lon$

f$.67,542lon$

c$.56,7\mathrm{.}89$

g$.67,876$

d$.50,000$

h$.$ None of the above

The constant quarterly payment is:

a$.100,000$

e$.13,112\mathrm{.}92$

b$.34,567$

c$.56,789$

f$.14,678\mathrm{.}45$

d$.50,000$

g$.16,787\mathrm{.}68$

h$.$ Tone of the above