A project has completed four months of work for a 16-month duration project. The contractor is completing the month four payment application to be submitted to the owner. The total completed and stored to date for this project is $17,658,432 for a contract that totals $79,540,000. No changes have been issued or approved. If retainage is 10% for completed work and stored materials, and the total of previous certificates for payment is $11,234,778, what is the current payment due? Select one: a. $16,245,757 b. $1,412,675 c. $4,657,811 d. $5,010,979