5/10 4 points Consider an economy with two types of forms: Sand I. Sfirms all move together. I firms move independently. For both types of firms, there is a 60% probability that the forms will have a 15% return and a 40% probability that the firms will have a -10% return. The standard deviation expressed in percentage of a portfolio that consists of an equal investment in 20 firms of type Sis Type your answer The standard deviation (expressed in percentage of a portfolio that consists of an equal investment in 20 forms of typelis type your answer Next