Sunnyside Vacations has a $1,200 account receivable from John Smith. On September 18, John makes a partial payment of $1,100 to Sunnyside. The journal entry made on September 18 by Sunnyside to record this transaction includes

a. a debit to the Cash account of $1,150.

b. a debit to the Accounts Receivable account of $1,150.

c .a credit to the Accounts Receivable account of $1,050.

d. a credit to the Accounts Receivable account of $1,100.