What is the ending balance of the following account on April $30?$

$\backslash$table$[[$Accounts Payable$],[$Payments$,2,200,$Apr. $1$ Bal.,$4,500],[,,$Purchases,$1,750]]$

a$.$ $$3,950$ credit

b$.$ $$6,250$ credit

c$.$ $$4,050$ debit

d$.$ $$4,050$ credit