please help me with this question, thank you!

Albert and Allison borrow exactly the same amount from Liberty Financial. Albert will repay his loan with 20 end of year annual payments. Albert's first payment will be 950, and each of his successive payments will be 950 greater than the one before. Allison will make level payments of 50000 at times T; 2T; 3T; 4T. Both Albert and Allisons loans are subject to the same annual effective rate of 5%. Determine the time of Allisons first payment.

(a) 2.7-2.9 years (b) 3-3.2 years (c) 3.5-3.7 years (d) 5-5.2 years (e) 5.5-5.7 years