%. locked through 5/31/18. Paid $68,000 to date for lock rate. $37,000 to be r=imbursed at closing by lender. Sponsor has agreed to reimburse up to max o= $37,500 for rate lock. Lender says that additional 90-day rate lock (from=5/31 to 8/31) will be additional $37,000. Sponsor has agreed that I can tak