Please show all work

Determine the October 2014 ROI for an investment center with the following information:

Assets at September 30, 2014	$20,000,000
Assets at October 31, 2014	22,000,000
Assets at October 15, 2014	18,595,000
Operating income for the month ended October 31, 2014	5,200,000

Round percentage answer to two decimal places.

a.	26.8 percent
b.	22.8 percent
c.	24.8 percent
d.	28.8 percent

Determine the April 2014 residual income for an investment center with the following information:

Operating income for the month ended April 30, 2014	$2,300,000
Assets at March 31, 2014	10,200,000
Assets at April 30, 2014	13,150,000
Desired ROI	18%
Actual ROI	20%

a.	$655,650
b.	$688,000
c.	$198,500
d.	$704,750