It's like this:I showed them a bank statement of $15,600 and the amount was also shown against my salary slips that I own this money and its not borrowed from anywhere
Employment and financial ties are transitory i.e. not permanent and not binding/compelling to make someone return to his/her home country.
Also, if your husband was unable to support his application with any finances of his own (he is dependent on you financially) this would mean he has significantly weaker employment and financial ties. Can he prove some finances?
Can you prove any reason to return to Pakistan by a specific date? For work or personal reasons?
Do you have a down payment for a property?
Are your parents or in-laws dependent on you/your husband financially or for their well-being? This reason could work if your parents/in-laws don't live with other employed, married siblings