Continuation -- Noble Corp. Covered Calls

Upon Dec2013 options expiration, the 100% cash-secured puts position in Noble Corp (Ticker Symbol NE) expired with NE closing at $36.32 which was below the $37.00 strike price.  So, 300 shares of NE were assigned to the Covered Calls Advisor Portfolio.  Today, a covered calls position was established at the $37.00 strike price by selling 3 Jan2014 $37.00 call options.  As detailed below, this investment will provide an overall +5.2% absolute return in 75 days (which is equivalent to a +25.4% annualized return) if the stock closes at or above $37.00 at options expiration on January 17th.
The details of the associated transactions and a potential return-on-investment result are as follows:

1. Noble Corp. (NE)
The transactions were as follows:
11/04/2013 Sold 3 Dec2013 $37.00 Noble Corp 100% Cash-Secured Put Options @ $1.24
Note: the price of NE was $37.32 when these options were sold
12/20/2013 Purchased 300 NE shares assigned at $37.00 strike price
Note: the price of NE was $36.32 at Dec2013 options expiration
12/31/2013 Sold 3 Jan2014 $37.00 Noble Corp Call Options @ $.80
Note: the price of NE was $36.97 when these options were sold

A possible overall performance result (including commissions) for these Noble Corp covered calls is as follows:
Stock Purchase Cost: $11,108.95
= ($37.00*300+$8.95 commission)

Net Profit:
(a) Options Income: +$589.60
= 300*($1.24+$.80) - 2*$11.20 commissions
(b) Dividend Income: +$0.00
(c) Capital Appreciation (If NE assigned at $37.00) = -$8.95
= ($37.00-$37.00)*300 - $8.95 commissions

Total Net Profit (If NE assigned at $37.00): +$580.65
= (+$589.60 +$0.00 -$8.95)

Absolute Return if Assigned (at $37.00): +5.2%
= +$580.65/$11,108.95
Annualized Return If Assigned (ARIA): +25.4%
= (+$580.65/$11,108.95)*(365/75 days)