In Adobe Marketo Engage, when a marketing manager incurs a cost for an Email Program, the best practice is to input the period cost in the program Setup tab in the month in which the cost is incurred1. In this case, the marketing manager spent $100 on stock photography for the email in January, so the period cost should be inputted in January1. This allows for accurate tracking and reporting of marketing expenses, which is crucial for budgeting and financial planning

• A Smart List is a dynamic list of people who meet certain criteria, such as having a specific attribute, behavior, or activity1.
• A Data Value Changed filter is a filter that allows you to find people who have changed the value of a specific field2.
• A constraint is a condition that further narrows down the filter criteria3.
• To create a Smart List with Data Value Changed filter, follow these steps4:
• To view the results, click the Leads tab. You will see the number and details of the people who changed their Person Status from Marketing Qualified to Sales Qualified in the past 30 days. References: 1: Smart Lists | Adobe Marketo Engage 2: Data Value Changed Filter | Adobe Marketo Engage 3: Filter Constraints | Adobe Marketo Engage 4: Create a Smart List | Adobe Marketo Engage

The Smart Campaign you provided has two filters applied:

• Clicks Link in Email: This filter ensures the lead clicked a link in a specific email (based on the "Email" field value).
• Fills Out Form: This filter ensures the lead filled out a specific form (based on the "Form Name" field value).

Since both filters are connected withAND, a lead needs to meetbothcriteria to qualify for the Smart Campaign. They need to click the link in the emailandfill out the form.

• A People Performance report is a report that measures database growth over time. It shows how many people were added, and when. It also allows grouping the results by any person or company attribute, or by segmentation1.
• To create a People Performance report, follow these steps1:
• To view the results, click the Report tab. You will see the number of people created in the Database in the last six months, grouped by industry. References: 1: People Performance Report | Adobe Marketo Engage

• The person’s activity log is the ultimate source of truth for all the information that happens over time for a person in Marketo Engage1.
• To locate the activity log for a person, go to the Database, select All People, click the People tab, select a person Id number, and click Activity Log1.
• The activity log shows all the activities that have occurred for the person, such as web page visits, email clicks, form fills, program status changes, etc1.
• To find the source and reason for the Marketing Qualified date change, filter the activity log by the activity type “Change Data Value” and the attribute "Marketing Qualified Date"2.
• The filtered activity log will show the date and time of the change, the source of the change (such as a campaign, a sync, or a manual update), and the reason for the change (such as a trigger, a filter, or a flow step)2. References: 1: Locate the Activity Log for a Person | Adobe Marketo Engage 2: Marketo Lead Activity Logs: What They Are & How To Update - Iron Horse

To send an email for preview prior to launch, a marketer can use the Email Actions menu in the Email Editor and select the Send Sample option. This will open a dialog box where the marketer can enter one or more email addresses to receive the sample email, as well as choose the lead to use for personalization tokens. The marketer can also select the email client to use for rendering the email, such as Outlook, Gmail, or mobile devices. After clicking Send, the marketer will receive a confirmation message and can check the inbox of the recipients to see how the email looks before launching the campaign. References: 

https://www.nutshell.com/blog/complete-guide-to-writing-marketing-emails

• A form that is used in multiple programs should be stored in the Design Studio as a global asset12. This allows the form to be easily reused and updated across different landing pages and programs without creating duplicates or inconsistencies3.
• A form that is stored in Marketing Activities as a local asset is only available within the specific program where it was created1. This means that if the form needs to be used in another program, it has to be cloned or recreated, which can lead to data quality issues and maintenance challenges3.
• There is no such thing as a global asset in Marketing Activities. All assets in Marketing Activities are local to their respective programs1. References:
• 1: How to create and edit forms | Adobe Marketo Engage
• 2: Marketo Success Series: Forms - Marketing Nation
• 3: Marketo Form Best Practices - Marketing Rockstar Guides