Freemore Company has the following sales budget for the last six months of 2018: July $205,000 October $187,000 August 168,000 November 200,000 September 205,000 December 182,000 Sales are immediately due, however the cash collection of sales, historically, has been as follows: 55% of sales collected in the month of sale, 35% of sales collected in the month following the sale, 7% of sales collected in the second month following the sale, and 3% of sales are uncollectible. Cash collections for October are .

Consider a treasury bill with a rate of return of 5% and the following risky securities: security a: e(r) = .15; variance = .0400 security b: e(r) = .10; variance = .0225 security c: e(r) = .12; variance = .1000 security d: e(r) = .13; variance = .0625 the investor must develop a complete portfolio by combining the risk-free asset with one of the securities mentioned above. the security the investor should choose as part of her complete portfolio to achieve the best cal would be a. security a b. security b c. security c d. security d