of the bond at December $31,2019?$

Select one:

a$.$

$\backslash$table$[[\backslash$table$[[$Bond Purchase$],[$Price$]],\backslash$table$[[$Interest$],[$Paid$]],\backslash$table$[[$Bond Carrying$],[$Value$]]],[$$$77,250,$$$2,250,$$$75,000$

the answer is E$,$ could you explain how to get $$76875.$ Thank you