Consider the following components proposed by the Swaminathan Commission for calculating the Minimum Support Price (MSP):

1. Paid-out costs 

2. Imputed value of family labour

3. Interest on the value of owned capital assets

4. Rent paid for leased-in land

5. Rental value of owned land

How many of the above-mentioned components are included in the Swaminathan Commission's formula for calculating MSP?